Class   585	CHEMISTRY OF HYDROCARBON COMPOUNDS
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This Class 585 is considered to be an integral part of Class 260 (see the Class 260 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 260.

1

PRODUCT BLEND, E.G., COMPOSITION, ETC., OR BLENDING PROCESS PER SE

2

. (1 indent ) With nonhydrocarbon additive

3

.. (2 indent ) O containing

4

... (3 indent ) And N containing

5

.... (4 indent ) Additive(s) aromatic

6

. (1 indent ) Gaseous blend

6.3

. (1 indent ) Fluent dielectric

6.6

.. (2 indent ) Mineral oil-containing

7

. (1 indent ) Component of indefinite molecular weight greater than 150

8

.. (2 indent ) Reaction product of halogenated hydrocarbon

9

.. (2 indent ) Wax

10

.. (2 indent ) Polymer

11

... (3 indent ) Containing aromatic ring

12

... (3 indent ) Plural polymers or copolymer of specified olefins

13

.. (2 indent ) Mineral oil (petroleum) fraction

14

. (1 indent ) For fuel use only

15

HYDRATE OR PRODUCTION THEREOF

16

COMPOUND OR REACTION PRODUCT MIXTURE

17

. (1 indent ) Polymer of indefinite molecular weight

18

.. (2 indent ) Acyclic

19

.. (2 indent ) Containing aromatic ring

20

. (1 indent ) Alicyclic

21

.. (2 indent ) Polycyclo, i.e., fused

22

... (3 indent ) Of differing carbon content, more than three or with bridge

23

.. (2 indent ) Unsaturated ring

24

. (1 indent ) Aromatic

25

.. (2 indent ) Plural rings

26

... (3 indent ) Polycyclo, i.e., fused

27

.... (4 indent ) Of differing carbon content or with bridge

240

PRODUCTION OF HYDROCARBON MIXTURE FROM REFUSE OR VEGETATION

241

. (1 indent ) From synthetic resin or rubber

242

. (1 indent ) From wood

250

ADDING HYDROGEN TO UNSATURATED BOND OF HYDROCARBON, I.E., HYDROGENATION

251

. (1 indent ) With subsequent diverse conversion

252

.. (2 indent ) Dehydrogenation

253

.. (2 indent ) Isomerization

254

. (1 indent ) With preliminary diverse conversion

255

.. (2 indent ) Polymerization of olefins only

256

.. (2 indent ) Molecular weight reduction

257

. (1 indent ) By hydrogen transfer from other hydrocarbon

258

. (1 indent ) Hydrocarbon is contaminant in desired hydrocarbon

259

.. (2 indent ) Hydrogenation of diolefin or triple bond

260

... (3 indent ) Using catalyst or support of defined structure, surface area, or pore size

261

... (3 indent ) Using catalyst and additional nonmetal material

262

... (3 indent ) Using S or Group I or II transition metal-containing catalyst

263

. (1 indent ) With temperature or concentration gradient in reactor or specified provision for heating, cooling, or reactor control

264

. (1 indent ) With preliminary treatment of feed or plural separation procedures

265

. (1 indent ) Plural hydrogenation stages

266

. (1 indent ) Hydrocarbon is aromatic

267

.. (2 indent ) Using alkaline metal material

268

.. (2 indent ) To produce polycyclic

269

.. (2 indent ) Using Group VIII metal-containing catalyst with additional nonhydrocarbon agent

270

... (3 indent ) Co, Fe, or Ni

271

. (1 indent ) Partial

272

.. (2 indent ) Hydrogen supplied by water or alcohol

273

.. (2 indent ) Using Group VIII metal-containing catalyst

274

... (3 indent ) Co, Fe, or Ni

275

. (1 indent ) Using transition metal-containing catalyst

276

.. (2 indent ) Elemental Co, Fe, or Ni

277

.. (2 indent ) Group VIII metal with additional nonhydrocarbon agent or complexed with hydrocarbon

300

PLURAL PARALLEL SYNTHESES

301

. (1 indent ) Using same catalyst, solvent, inert heat carrier, or component thereof

302

. (1 indent ) With blending of products from two parallel reactions

303

.. (2 indent ) And passage to further reaction

304

. (1 indent ) Diverse parallel syntheses

310

PLURAL SERIAL DIVERSE SYNTHESES

311

. (1 indent ) One synthesis rehabilitates catalyst for other, e.g., by alkylation with ester, etc.

312

. (1 indent ) Same catalyst, solvent, or component thereof used in both syntheses

313

.. (2 indent ) Entire catalyst composition

314

. (1 indent ) With hydrocarbon effluent stream splitting for recycle to different syntheses

315

. (1 indent ) With hydrocarbon recycle from later to earlier synthesis

316

.. (2 indent ) Earlier synthesis is condensation or alkyl transfer

317

. (1 indent ) To produce alicyclic

318

.. (2 indent ) Having unsaturated ring

319

. (1 indent ) To produce aromatic

320

.. (2 indent ) Polycyclic

321

.. (2 indent ) Having plural side-chains

322

.. (2 indent ) Including an aromatization step

323

.. (2 indent ) Including an alkylation step

324

. (1 indent ) To produce unsaturate

325

.. (2 indent ) Having triple bond

326

.. (2 indent ) Polyolefin

327

... (3 indent ) From O compound feed or intermediate

328

.. (2 indent ) Including displacement from nonhydrocarbon by entire hydrocarbon molecule, e.g., growth reaction, etc.

329

.. (2 indent ) Including polymerization of olefin

330

... (3 indent ) And a preliminary unsaturation step, e.g., cracking, dehydrogenation, etc.

331

. (1 indent ) Including alkylation to produce branched-chain paraffin

332

.. (2 indent ) And preliminary isomerization or polymerization

350

ALICYCLIC COMPOUND SYNTHESIS

351

. (1 indent ) Carotene or derivative

352

. (1 indent ) Adamantane or derivative

353

. (1 indent ) By shift, opening, or removal of shared-carbon ring

354

.. (2 indent ) Cyclopentadiene from its polymer

355

.. (2 indent ) Camphene or ten-C monocyclic from polycyclic, e.g., terpene isomerization, etc.

356

... (3 indent ) Camphene from pinene or derivative

357

. (1 indent ) From nonhydrocarbon

358

.. (2 indent ) Nonring moiety becomes ring

359

.. (2 indent ) Halogen containing

360

. (1 indent ) Polycyclic product

361

.. (2 indent ) By condensation, e.g., Diels-Alder reaction, etc.

362

... (3 indent ) Dimerizing a cycloolefin

363

.. (2 indent ) By double-bond shift in side-chain

364

. (1 indent ) By condensive ring expansion, e.g., "olefin dismutation", etc.

365

. (1 indent ) From nonring hydrocarbon

366

.. (2 indent ) Alkadiene

367

... (3 indent ) Using refractory-group metal-containing catalyst

368

.... (4 indent ) With nonmetal element or compound

369

... (3 indent ) Using Co-, Fe-, or Ni-containing catalyst

370

.... (4 indent ) With nonmetal organic compound

371

. (1 indent ) By ring expansion or contraction

372

.. (2 indent ) Using Al group metal halide catalyst

373

... (3 indent ) With added hydrocarbon complex or nonhydrocarbon organic agent

374

.. (2 indent ) Using metal-containing catalyst

375

. (1 indent ) By alkylation or alkyl transfer

376

.. (2 indent ) Feed has side-chain

377

. (1 indent ) By double-bond shift

378

.. (2 indent ) Using organometallic compound, P- or S-containing catalyst

379

. (1 indent ) By dehydrogenation

380

.. (2 indent ) Using H acceptor

400

AROMATIC COMPOUND SYNTHESIS

401

. (1 indent ) With measuring, sensing, testing, or synthesis operation control responsive to diverse condition

402

. (1 indent ) Exploiting or conserving heat of quenching, reaction, or regeneration

403

. (1 indent ) Using apparatus of recited composition

404

. (1 indent ) By ring expansion or contraction

405

.. (2 indent ) Using transition metal-containing catalyst

406

. (1 indent ) By dimerization of vinyl aromatic

407

. (1 indent ) By ring formation from nonring moiety, e.g., aromatization, etc.

408

.. (2 indent ) Nonhydrocarbon feed

409

... (3 indent ) Aromatic or carbonyl-containing reactant

410

.. (2 indent ) Aromatic feed

411

... (3 indent ) Using metal-containing catalyst

412

.. (2 indent ) Plural stage, with moving catalyst or with specified flow rate or procedure

413

.. (2 indent ) With preliminary treatment of feed or plural separation procedures

414

.. (2 indent ) Using metal-free H acceptor

415

.. (2 indent ) Product compound has more C atoms than feed compound, e.g., cyclic polymerization, etc.

416

... (3 indent ) Triple bond-containing feed

417

... (3 indent ) Using transition metal-containing catalyst

418

.. (2 indent ) Using transition metal-containing catalyst

419

... (3 indent ) Group VIII noble metal

420

... (3 indent ) Group VI metal

421

.... (4 indent ) With alkaline metal compound

422

. (1 indent ) By condensation of entire cyclic molecules or entire hydrocarbyl moieties thereof, e.g., polymerization, etc.

423

.. (2 indent ) With plural separation procedures

424

.. (2 indent ) Plural stage or with preliminary treatment of feed

425

.. (2 indent ) Ring carbon of one molecule joined to ring carbon of other

426

... (3 indent ) Through residue of nonring molecule, e.g., acetylene, etc.

427

... (3 indent ) Arylene bond formed using metal-containing agent

428

.. (2 indent ) Nonring moiety of one molecule bonded to nonring moiety of other, e.g., polystyrene, etc.

429

... (3 indent ) Through residue of nonring molecule, e.g., butadience, etc.

430

. (1 indent ) From alicyclic

431

.. (2 indent ) Polycyclic product or with olefinic unsaturation in feed

432

... (3 indent ) Cymene product

433

.. (2 indent ) Using H acceptor or Cr-, Mo-, or W-containing catalyst

434

.. (2 indent ) Using noble metal catalyst

435

. (1 indent ) Having alkenyl moiety, e.g., styrene, etc.

436

.. (2 indent ) Polycyclic product or from nonhydrocarbon feed

437

... (3 indent ) O-containing feed

438

.. (2 indent ) By condensation using metal-containing catalyst

439

.. (2 indent ) By C removal, e.g., cracking, etc.

440

.. (2 indent ) By dehydrogenation

441

... (3 indent ) Plural stage or with plural separation procedures

442

... (3 indent ) Using halogen or S

443

... (3 indent ) Using elemental O

444

... (3 indent ) Using metal oxide, sulfide, or salt

445

.... (4 indent ) Cr-, Mo-, or W-containing

446

. (1 indent ) By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc.

447

.. (2 indent ) With specified flow rate through reactor or flow procedure within or at entrance to reactor

448

.. (2 indent ) With preliminary treatment of feed

449

.. (2 indent ) Plural alkylation stages

450

.. (2 indent ) With plural separation procedures

451

... (3 indent ) Including dissolving or solids formation or separation

452

.. (2 indent ) Attachment to side-chain, e.g., telomerization, etc.

453

... (3 indent ) Resulting side-chain has less than four C atoms

454

.. (2 indent ) Feed other than hydrocarbon, hydroxy, monohalide, or ether

455

.. (2 indent ) Resulting side-chain restricted to more than five C atoms, e.g., "detergent alkylate", etc.

456

... (3 indent ) Using halogen-containing catalyst

457

.. (2 indent ) Using organometallic compound catalyst

458

.. (2 indent ) Using S-containing catalyst

459

.. (2 indent ) Using Al halide catalyst

460

... (3 indent ) And additional metal-containing or nonhalide inorganic agent

461

... (3 indent ) Complexed, e.g., sludge, etc., or with additional extraneous organic agent

462

.. (2 indent ) Using halogen-containing catalyst

463

... (3 indent ) Alumina containing

464

... (3 indent ) HF

465

... (3 indent ) B trifluoride in a complex or with additional nonhydrocarbon agent

466

.. (2 indent ) Using P-containing catalyst

467

.. (2 indent ) Using metal, metal oxide, or hydroxide catalyst

468

... (3 indent ) Noncrystalline, and containing Al and Si

469

. (1 indent ) From nonhydrocarbon feed

470

. (1 indent ) By alkyl or aryl transfer between molecules, e.g., disproportionation, etc.

471

.. (2 indent ) Product is polycyclic, of increased side-chain length, or a specific position polyalkyl benzene isomer

472

... (3 indent ) Using Al or B halide catalyst

473

.... (4 indent ) Meta- or 1,3,5-alkyl benzene

474

.. (2 indent ) Plural compounds of different weight become midweight compound, i.e., averaging

475

.. (2 indent ) Using crystalline aluminosilicate catalyst

476

. (1 indent ) By ring opening, removal, degradation, or shift on chain or other ring

477

. (1 indent ) By isomerization

478

.. (2 indent ) With plural separation steps

479

... (3 indent ) Including a crystallization step

480

.. (2 indent ) Using metal oxide- or sulfide-containing catalyst

481

... (3 indent ) Crystalline aluminosilicate

482

... (3 indent ) Pt-group metal containing

483

. (1 indent ) By dealkylation

484

.. (2 indent ) Polycyclic

485

... (3 indent ) Using catalyst and H

486

.. (2 indent ) Using extraneous agent in reaction zone, e.g., catalyst, etc.

487

... (3 indent ) And steam

488

... (3 indent ) And H

489

.... (4 indent ) Transition metal-containing catalyst

500

UNSATURATED COMPOUND SYNTHESIS

501

. (1 indent ) With measuring, sensing, testing, or synthesis operation control responsive to diverse condition

502

. (1 indent ) By addition of entire unsaturated molecules, e.g., polymerization, etc.

503

.. (2 indent ) With heat conservation or using apparatus of recited composition

504

.. (2 indent ) With specified procedure for recycle of nonhydrocarbon

505

.. (2 indent ) Triple-bond product

506

.. (2 indent ) Poly-double-bond product

507

... (3 indent ) More than two double bonds, e.g., diene polymerization, etc.

508

.... (4 indent ) Of definite molecular weight, e.g., dimer, etc.

509

... (3 indent ) Using P-containing catalyst

510

.. (2 indent ) Definite molecular weight product, e.g., dimer, etc.

511

... (3 indent ) Using catalyst containing metal bonded to or complexed with C, C-containing compound, or H

512

.... (4 indent ) Al-and transition metal-containing

513

....• (5 indent ) And N-, P-, or S-containing

514

... (3 indent ) Using P-containing catalyst

515

... (3 indent ) Using S-containing catalyst

516

... (3 indent ) Using alkali metal-containing catalyst

517

.. (2 indent ) Plural serial polymerization stages

518

.. (2 indent ) With preliminary treatment of feed

519

... (3 indent ) Removal of hydrocarbon fraction

520

.. (2 indent ) Using extraneous nonhydrocarbon agent, e.g., catalyst, etc.

521

... (3 indent ) Hydride or organic compound or complex containing alkaline-, B-, or Zn group material

522

.... (4 indent ) Al trialkyl

523

.... (4 indent ) Transition metal-containing

524

....• (5 indent ) Ti

525

... (3 indent ) B-containing catalyst

526

... (3 indent ) S-containing catalyst

527

... (3 indent ) N- or P-containing catalyst

528

.... (4 indent ) Metal phosphate

529

.... (4 indent ) P compound on solid carrier, e.g., "solid phosphoric acid", etc.

530

... (3 indent ) Catalyst containing inorganic metal

531

.... (4 indent ) Group VIII metal

532

.... (4 indent ) Al

533

....• (5 indent ) Al oxide, e.g., aluminosilicate, etc.

534

. (1 indent ) Triple-bond product

535

.. (2 indent ) With heat conservation or using solid inert heat carrier, e.g., regenerative furnace, etc.

536

... (3 indent ) With carrier movement through reaction zone

537

.. (2 indent ) Using apparatus of recited composition

538

.. (2 indent ) From organic nontriple-bond feed

539

... (3 indent ) By thermal conversion of hydrocarbon, i.e., thermolysis

540

... (3 indent ) By partial combustion of hydrocarbon

541

.... (4 indent ) Using extraneous nonreactant, e.g., diluent, catalyst, etc.

600

. (1 indent ) Product having more than two double bonds

601

. (1 indent ) Diolefin product

602

.. (2 indent ) With heat conservation or using solid inert heat carrier, e.g., regenerative furnace, etc.

603

.. (2 indent ) From nonhydrocarbon feed

604

... (3 indent ) Heterocyclic

605

.... (4 indent ) Using P-containing catalyst

606

... (3 indent ) O-containing

607

.... (4 indent ) Plural O-containing organic compounds

608

.... (4 indent ) With unsaturated hydrocarbon in feed

609

.... (4 indent ) Alcohol

610

....• (5 indent ) Diol

611

....•. (6 indent ) Using P-containing catalyst

612

... (3 indent ) Halogen-containing feed using extraneous nonhydrocarbon agent

613

.. (2 indent ) By C content reduction, e.g., cracking, etc.

614

... (3 indent ) Isoprene product per se

615

... (3 indent ) Butadiene product per se

616

.. (2 indent ) By dehydrogenation

617

... (3 indent ) Using nonhydrocarbon acceptor

618

.... (4 indent ) Halogen-containing acceptor with elemental O

619

....• (5 indent ) Halogen is I only

620

....• (5 indent ) Halogen is Cl only

621

.... (4 indent ) Elemental O acceptor

622

....• (5 indent ) With P containing extraneous agent

623

....•. (6 indent ) Sn-containing

624

....• (5 indent ) With metal oxide or hydroxide extraneous agent

625

....•. (6 indent ) Ferrite

626

....•. (6 indent ) Oxide of As, Bi, or Sb

627

... (3 indent ) Using extraneous nonhydrocarbon agent, e.g., catalyst, etc.

628

.... (4 indent ) Moving catalyst or plural stage

629

.... (4 indent ) Transition metal oxide or sulfide agent

630

....• (5 indent ) Cr, Mo, or W

631

....•. (6 indent ) With other transition metal

632

.... (4 indent ) Metal salt agent

633

... (3 indent ) Plural stage or with specified quench or separation procedure

634

. (1 indent ) With heat conservation or using solid or molten inert heat carrier, e.g., regenerative furnace, etc.

635

.. (2 indent ) With carrier movement through reaction zone or use in quenching

636

. (1 indent ) Using apparatus of recited composition

637

. (1 indent ) By displacement of hydrocarbon radical by hydrocarbon molecule

638

. (1 indent ) From nonhydrocarbon feed

639

.. (2 indent ) Alcohol, ester, or ether

640

... (3 indent ) Using metal oxide catalyst

641

.. (2 indent ) Halogen-containing

642

... (3 indent ) Using acid, metal oxide, or salt catalyst

643

. (1 indent ) By alkyl transfer, e.g., disproportionation, etc.

644

.. (2 indent ) Plural stage or averaging

645

.. (2 indent ) Using organic extraneous agent

646

.. (2 indent ) Using catalyst containing Mo, Re, or W and another transition metal

647

.. (2 indent ) Using Re-containing catalyst

648

. (1 indent ) By C content reduction, e.g., cracking, etc.

649

.. (2 indent ) Isobutylene product per se

650

.. (2 indent ) Ethylene product per se

651

... (3 indent ) Using catalyst

652

... (3 indent ) Using O (partial combustion) or steam

653

.. (2 indent ) Using catalyst

654

. (1 indent ) By dehydrogenation

655

.. (2 indent ) With plural separation procedures applied to effluent or effluent component

656

.. (2 indent ) Using acceptor, e.g., hydrogen-exchange disproportionation, etc.

657

... (3 indent ) Halogen-containing acceptor

658

... (3 indent ) Elemental O or S acceptor with extraneous nonhydrocarbon agent, e.g., catalyst, etc.

659

.. (2 indent ) Plural stages or with catalyst movement

660

.. (2 indent ) Using extraneous agent containing Pt-group metal and non-Pt-group metal

661

.. (2 indent ) Using transition metal oxide, sulfide, or salt

662

... (3 indent ) Cr, Mo, or W

663

.... (4 indent ) With other transition metal

664

. (1 indent ) By double-bond-shift isomerization

665

.. (2 indent ) Using organometallic catalyst

666

.. (2 indent ) Using aluminosilicate catalyst

667

.. (2 indent ) Using P-containing catalyst

668

.. (2 indent ) Using S-containing catalyst

669

.. (2 indent ) Using halogen-containing catalyst

670

.. (2 indent ) Using transition metal-containing catalyst

671

. (1 indent ) By skeletal isomerization

700

SATURATED COMPOUND SYNTHESIS

701

. (1 indent ) With measuring, sensing, testing, or synthesis operation control responsive to diverse condition

702

. (1 indent ) Synthesis catalyst, solvent, or component thereof used as agent in hydrocarbon purification or separation

703

.. (2 indent ) By interaction with nonhydrocarbon

704

. (1 indent ) With control of water content of recycled catalyst

705

. (1 indent ) With removal of catalyst component from metal-hydrocarbon complex

706

. (1 indent ) With addition of reactor effluent component to catalyst as agent for rehabilitation or recycle

707

. (1 indent ) With specified procedure for adding fresh makeup catalyst component to complex (sludge), support, or inert contact material

708

. (1 indent ) By alkyl transfer, e.g., disproportionation, etc.

709

. (1 indent ) By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc.

710

.. (2 indent ) With catalyst rehabilitation by reversion from different compound or HF complex

711

.. (2 indent ) Including nonhydrocarbon reactant

712

.. (2 indent ) With removal of organic halogen contaminant

713

... (3 indent ) Using solid catalyst or sorbent

714

.. (2 indent ) With introduction of same material at more than two serially spaced points of reaction zone system

715

.. (2 indent ) With autorefrigeration

716

.. (2 indent ) Plural alkylation stages

717

.. (2 indent ) With preliminary treatment of feed

718

.. (2 indent ) With coalescing or sorption of, or addition of specific agent to, effluent or effluent component

719

.. (2 indent ) With plural separation procedures applied to effluent or effluent component

720

.. (2 indent ) With specified flow procedure within or at entrance to reactor, e.g., by use of named mixing device, etc.

721

.. (2 indent ) Using extraneous nonhydrocarbon agent

722

... (3 indent ) Aluminosilicate or organometallic

723

... (3 indent ) HF

724

.... (4 indent ) With additional nonhydrocarbon agent

725

....• (5 indent ) B-, N-, or P-containing

726

... (3 indent ) B-containing

727

... (3 indent ) Al halide

728

.... (4 indent ) With additional nonhydrocarbon agent

729

....• (5 indent ) H halide

730

... (3 indent ) S-containing

731

.... (4 indent ) Sulfuric acid with additional nonhydrocarbon agent

732

... (3 indent ) O-containing

733

. (1 indent ) From nonhydrocarbon feed

734

. (1 indent ) By isomerization

735

.. (2 indent ) Using temperature gradient or material concentration gradient or introduction of same material at more than two serially spaced points of reaction zone system

736

.. (2 indent ) Plural isomerization stages

737

.. (2 indent ) With preliminary treatment of paraffin feed

738

.. (2 indent ) With specified isomerizate purification or separation procedure

739

.. (2 indent ) Using aluminosilicate catalyst

740

.. (2 indent ) Using B- or P-containing catalyst

741

.. (2 indent ) Using Al halide catalyst

742

... (3 indent ) With additional metal halide

743

... (3 indent ) With S-containing or free or organic halogen agent

744

... (3 indent ) With metal oxide or elemental carbon, e.g., supported, etc.

745

... (3 indent ) With added organic agent or in complex with organic material

746

... (3 indent ) With inorganic material other than halogen-containing

747

.. (2 indent ) Using halogen-containing catalyst

748

... (3 indent ) With alumina

749

.... (4 indent ) F

750

.. (2 indent ) Using metal oxide or hydroxide catalyst

751

... (3 indent ) Including free metal

752

. (1 indent ) By C content reduction, e.g., hydrocracking, etc.

800

PURIFICATION, SEPARATION, OR RECOVERY

801

. (1 indent ) By conversion of solid to gas, e.g., sublimation, etc., or by melting or squeezing out liquid from solid natural source

802

. (1 indent ) By plural serial diverse separations

803

.. (2 indent ) To recover alicyclic

804

.. (2 indent ) To recover aromatic

805

... (3 indent ) Xylene or ethylbenzene

806

... (3 indent ) Having unsaturated or one-C side-chain

807

... (3 indent ) Including steps of distillation and agent addition

808

.... (4 indent ) Agent contains N, carbonyl, or dihydroxy moiety

809

.. (2 indent ) To recover unsaturate

810

... (3 indent ) Diolefin

811

... (3 indent ) Including treatment with S-containing agent

812

. (1 indent ) By cooling of liquid to obtain solid, e.g., crystallization, etc.

813

.. (2 indent ) Using specified holding time or specified cooling rate

814

.. (2 indent ) With treatment of mother liquor after crystal separation

815

.. (2 indent ) With dissolving or plural serial crystallizations

816

.. (2 indent ) With addition of extraneous material

817

... (3 indent ) Before crystal formation

818

. (1 indent ) By membrane, selective septum, or coalescer

819

.. (2 indent ) Aromatic permeate

820

. (1 indent ) By contact with solid sorbent

821

.. (2 indent ) With measuring, sensing, testing, or recycle of sorbate to same sorption zone

822

.. (2 indent ) Plural serial sorptions

823

.. (2 indent ) Sorbate is nonhydrocarbon or chemically undetermined component, e.g., "color-former", etc.

824

... (3 indent ) O-containing sorbate

825

.. (2 indent ) With fractional or linear desorption, e.g., chromatography, etc.

826

.. (2 indent ) With specified sorbent rehabilitation procedure or agent, e.g., desorbent, etc.

827

... (3 indent ) Cyclic sorbate

828

.... (4 indent ) Aromatic separated from other aromatic

829

... (3 indent ) Unsaturated sorbate

830

.. (2 indent ) Sorbent is or contains organic

831

.. (2 indent ) Cyclic sorbate

832

. (1 indent ) Polymerization and depolymerization

833

. (1 indent ) By addition of extraneous agent, e.g., solvent, etc.

834

.. (2 indent ) With contact procedure involving particular apparatus or more than two moving streams

835

.. (2 indent ) With fractional disengagement from agent by use of other agent

836

.. (2 indent ) Different, sequentially used agents

837

... (3 indent ) One agent is a diluent, i.e., nonselective solvent or heat exchange material

838

... (3 indent ) Resolution of feed into more than two different components

839

... (3 indent ) Later agent disengages earlier, e.g., decomplexing agent, etc.

840

.... (4 indent ) Later agent is hydrocarbon

841

.. (2 indent ) H

842

.. (2 indent ) HF and another fluoride

843

.. (2 indent ) Ag

844

... (3 indent ) By interaction with monoolefin

845

.. (2 indent ) Cu

846

... (3 indent ) Ammoniacal, e.g., Cu ammonium acetate (CAA), etc.

847

.... (4 indent ) Triple-bond compound separated

848

... (3 indent ) Plural metal or nonhalide Cu compound-containing

849

... (3 indent ) Cu halide with added material other than water

850

.. (2 indent ) Group VII or VIII transition metal-containing, e.g., Werner complex formation, etc.

851

.. (2 indent ) Group III nontransition element-containing

852

... (3 indent ) Al

853

.. (2 indent ) Alkaline metal-containing

854

... (3 indent ) Elemental metal, oxide, or hydroxide

855

.. (2 indent ) Metal-containing

856

.. (2 indent ) S containing

857

... (3 indent ) S dioxide, sulfolane, or sulfolene

858

... (3 indent ) Sulfuric acid

859

.... (4 indent ) Interaction with tertiary olefin

860

.. (2 indent ) N-containing

861

... (3 indent ) Ammonia

862

... (3 indent ) Carbonyl moiety-containing

863

... (3 indent ) Interaction with aromatic

864

.. (2 indent ) Organic agent

865

... (3 indent ) Heterocyclic or polymeric

866

... (3 indent ) Acid, anhydride, ester or ether

867

... (3 indent ) Hydrocarbon

868

.. (2 indent ) Inorganic O-containing agent

899

MISCELLANEOUS PROCESS, E.G., INDETERMINATE MODIFICATION OF A PROPERTY, STORAGE, TRANSPORTATION, ETC.

	CROSS-REFERENCE ART COLLECTIONS

CATALYST AND RECYCLE CONSIDERATIONS

900

. (1 indent ) Rehabilitation of H acceptor

901

. (1 indent ) With recycle, rehabilitation, or preservation of solvent, diluent, or mass action agent

902

.. (2 indent ) Recycle of solvent and catalyst

903

. (1 indent ) With hydrocarbon recycle to control synthesis reaction, e.g., by cooling, quenching, etc.

904

. (1 indent ) Catalyst rehabilitation by reversion from different compound

905

. (1 indent ) By-product conversion to feed

906

. (1 indent ) Catalyst preservation or manufacture (e.g., activation, etc.) before use

HEAT CONSIDERATIONS

910

. (1 indent ) Exploiting or conserving heat of quenching, reaction, or regeneration

911

. (1 indent ) Introducing, maintaining, or removing heat by atypical procedure

912

.. (2 indent ) Molten material

913

.. (2 indent ) Electric

914

.. (2 indent ) Phase change, e.g., evaporation, etc.

APPARATUS CONSIDERATIONS

920

. (1 indent ) Using apparatus of recited composition

921

. (1 indent ) Using recited apparatus structure

922

.. (2 indent ) Reactor fluid manipulating device

923

... (3 indent ) At reactor inlet

924

.. (2 indent ) Reactor shape or disposition

925

... (3 indent ) Dimension or proportion

926

... (3 indent ) Plurality or verticality

SPECIAL CHEMICAL CONSIDERATIONS

930

. (1 indent ) Process including synthesis of nonhydrocarbon intermediate

931

.. (2 indent ) Metal-, Si-, B-, or P-containing, e.g., Grignard, etc.

932

.. (2 indent ) Carboxyl-containing, e.g., acid, etc.

933

.. (2 indent ) N-containing

934

.. (2 indent ) Chalcogen-containing

935

.. (2 indent ) Halogen-containing

940

. (1 indent ) Opening of hydrocarbon ring

941

. (1 indent ) Isotope exchange process

942

. (1 indent ) Production of carbonium ion or hydrocarbon free-radical

943

. (1 indent ) Synthesis from methane or inorganic carbon source, e.g., coal, etc.

944

. (1 indent ) Radiation-resistant composition

945

. (1 indent ) Product is drying oil

946

. (1 indent ) Product is waxy polymer

947

. (1 indent ) Terpene manufacture or recovery

MISCELLANEOUS CONSIDERATIONS

950

. (1 indent ) Prevention or removal of corrosion or solid deposits

951

. (1 indent ) Reaction start-up procedure

952

. (1 indent ) Reaction stopping or retarding

953

. (1 indent ) Pulsed, sonic, or plasma process

954

. (1 indent ) Exploiting mass-action phenomenon

955

. (1 indent ) Specified mixing procedure

956

. (1 indent ) Condition-responsive control and related procedures in alicyclic synthesis and purification

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

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