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| Class 422 | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
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![[List of Pre Grant Publications for class 422 subclass 1]](../as.gif) | ![[List of Patents for class 422 subclass 1]](../ps.gif) | 1 | PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING |
| | 2 |  Step of warning or decreasing hazard of process |
| | 3 | Process control in response to analysis |
| | 4 | A gas is substance acted upon |
| | 5 | Deodorizing |
| | 6 | Affecting structure, article, etc., submerged in marine environment |
| | 7 | Maintaining environment nondestructive to metal |
| | 8 |  Using protective article (e.g., antitarnish fabric, etc.) |
| | 9 | Using gaseous preservative, preservative added to gaseous phase of environment, or maintaining gaseous phase nondestructive |
| | 12 | Aqueous acid environment (i.e.,pH less than or equal to 4.1) |
| | 13 | Aqueous alkali environment (i.e., pH greater than or equal to 8.4) |
| | 14 | Essentially pure water environment |
| | 20 | Using sonic or ultrasonic energy |
| | 21 | Using microwave energy |
| | 22 | Using direct contact with electrical or electromagnetic radiation |
| | 25 | Including additional step of preventing damage to sealed container |
| | 26 | Using direct contact steam to disinfect or sterilize |
| | 28 | Using disinfecting or sterilizing substance |
| | 29 | In situ generation of agent other than aldehyde or glycol |
| | 30 | And removing the agent by chemical reaction or sorption |
| | 31 | And recovering or reusing the agent |
| | 32 | Treating bulk material |
| | 33 | With positive pressure or vacuum |
| | 34 | Using alkylene oxide |
| | 35 | Using cyanide |
| | 36 | Using aldehyde |
| | 37 | Using halogen or halogen-containing compound |
| | 38 | Using fluent heat transfer medium other than air |
| | 39 | By sudden release of pressure |
| | 40 | Process of storage or protection |
| | 44 | BLOOD TREATING DEVICE FOR TRANSFUSIBLE BLOOD |
| | 49 | INCLUDING MEANS FACILITATING PART REPLACEMENT OR REPAIR OTHER THAN SOLID, EXTENDED SURFACE, FLUID CONTACT MEANS |
| | 50 | ANALYZER, STRUCTURED INDICATOR, OR MANIPULATIVE LABORATORY DEVICE |
| | 51 | Calorimeter |
| | 52 | Chemiluminescent |
| | 53 | Corrosion tester |
| | 54 | Flame ionization detector |
| | 400 | Structured visual or optical indicator, per se |
| | 401 | In a holder or container |
| | 402 |  Structure to facilitate analysis of the results |
| | 405 | Tubular |
| | 407 | Well plate |
| | 408 | Structure for contacting the sample with the reagent |
| | 409 |  Envelope, packet or sleeve (e.g., for fecal occult sample, etc.) |
| | 410 | Lancet (e.g., for finger prick, etc.) |
| | 411 | Swab |
| | 412 | Device using capillary action |
| | 413 | Device having frangible compartment |
| | 414 | Device having torturous path |
| | 415 | Including centrifuge |
| | 416 | Including means for facilitating reaction of a gaseous fluid |
| | 417 | Including channel, valve or chamber |
| | 418 | Wiping means to acquire solid test substance |
| | 419 | Acquisition of liquid sample |
| | 420 | Having reagent in absorbent or bibulous substrate |
| | 425 | Having coated reagent |
| | 430 | Test package or kit |
| | 62 | Automatic analytical monitor and control of industrial process |
| | 63 | Sample mechanical transport means in or for automated analytical system |
| | 64 | Means is turntable (circular) |
| | 65 | Means is conveyor and rack |
| | 66 | Means is moving tape or band |
| | 67 | With specific analytical program control means |
| | 68.1 | Means for analyzing liquid or solid sample |
| | 69 | Sorption testing |
| | 72 | Including centrifuge |
| | 73 | With coagulometer for agglutination, clotting, or prothrombin, or for particle (e.g., cell, etc.) counting, or volume or characteristics determination |
| | 74 | Dairy tester |
| | 75 | Including titrator |
| | 78 | Including means for pyrolysis, combustion, or oxidation |
| | 79 | Biological, chemical, or total oxygen demand (i.e., BOD, COD, TOD) |
| | 80 | And means directly analyzing evolved gas |
| | 81 | Automated system with sample fluid pressure transport means |
| | 82.01 | Measuring electrical property |
| | 82.05 | Measuring optical property by using ultraviolet, infrared, or visible light |
| | 82.12 | Measuring temperature |
| | 82.13 | Measuring pressure |
| | 83 | Means for analyzing gas sample |
| | 84 | Breath tester |
| | 86 | Including means reacting gas with color indicator |
| | 88 | Including means for adsorbing or absorbing gas into or onto liquid or solid media |
| | 89 | Gas chromatography |
| | 90 | With conductiometric detector |
| | 91 | With photometric detector |
| | 92 | With volumetric detector |
| | 93 | Including means dividing sample stream into plural parallel segments having diverse treating means and the analytical result compared or combined |
| | 94 | Combustible gas detector |
| | 98 | Analysis based on electrical measurement |
| | 500 | Miscellaneous laboratory apparatus and elements, per se |
| | 501 | Volumetric fluid transfer means, e.g., pipette, pipettor, etc.) |
| | 502 | Micro-fluidic device |
| | 509 | Automated system |
| | 512 | Including seal penetration means |
| | 513 | Including filter |
| | 514 | Mixing of diverse substances within pipette |
| | 515 | Sequential multidispensing from a single tip |
| | 516 | Variable volume |
| | 519 | Interaction of dispensing tip with surface upon which fluid is dispensed |
| | 520 | Drawing of liquid into pipette by capillary action |
| | 521 | Dispensing means |
| | 524 | Tip |
| | 527 | Including means for separating a constituent (e.g., extraction, etc.) |
| | 536 | Tissue processing device |
| | 537 | Valve |
| | 538 | Including connector |
| | 539 | With multiple discrete settings |
| | 540 | Stator and rotor, petcock/stopcock, or slider |
| | 541 | Check |
| | 542 | Ball or seat |
| | 543 | Gas |
| | 544 | Connector |
| | 547 | Container |
| | 548 | Used with centrifuge equipment |
| | 549 | Tube shaped vessel |
| | 551 | Plate, sheet, dish or tray |
| | 554 | Cartridge, cassette or cuvette |
| | 555 | Bag type containers |
| | 556 | Flask, bottle or beaker |
| | 557 | Cup or crucible |
| | 558 | Vial or ampoule |
| | 559 | Including multiple internal compartments or baffles |
| | 560 | Holder |
| | 565 | Housing |
| | 566 | Support |
| | 567 | Hood |
| | 568 | Stopper, cover, plug, or seal |
| | 105 | CONTROL ELEMENT RESPONSIVE TO A SENSED OPERATING CONDITION |
| | 106 | Responsive to liquid level |
| | 107 | Control element directly mechanically linked to separate sensor |
| | 108 | Control element responds proportionally to a variable signal from a sensor |
| | 112 | Control element is fluid pressure sensitive |
| | 114 | Control element is a binary responsive valve |
| | 116 | Sensed condition is operating time and control is operation sequencer |
| | 117 | WITH SAFETY FEATURE |
| | 119 | WITH INDICATING, SIGNALLING, RECORDING, SAMPLING, OR INSPECTION MEANS |
| | 120 | FOR DEODORIZING OF, OR CHEMICAL PURIFICATION OF, OR GENERATION OF, LIFE-SUSTAINING ENVIRONMENTAL GAS |
| | 121 | With means exposing gas to electromagnetic wave energy or corpuscular radiation |
| | 122 | Including solid, extended surface, fluid contact reaction means (e.g., Raschig rings, particulate or monolithic catalyst, etc.) |
| | 123 | Including means adding material into environmental gas |
| | 127 | SHOCK OR SOUND WAVE |
| | 129 | CHEMICAL REACTOR |
| | 129.1 | Soap making |
| | 130 | Bench scale |
| | 131 | Organic polymerization |
| | 132 | Closed loop |
| | 133 | Generating foamed plastic |
| | 134 | Including plural sequential reaction stages |
| | 135 | Including reactant agitating means in reaction chamber |
| | 136 | And means rotatably mounting reaction chamber |
| | 137 | Horizontal reaction chamber with screw or worm agitator |
| | 138 | With heat exchanger for reaction chamber or reactants located therein |
| | 139 | Fluidized bed |
| | 140 | With liquid present |
| | 141 | Plural reaction beds |
| | 143 | Including specific wind box or particulate matter support grid |
| | 144 | Including means to strip reaction mass from, or to regenerate, the particulate matter (including fluidized bed regenerators, per se) |
| | 145 | And means providing flow of particulate matter into or out of reaction chamber |
| | 146 | With heat exchange means affecting reaction chamber or reactants located therein |
| | 147 | And means mechanically separating and removing particulate bed material from fluid effluent |
| | 148 | Ammonia synthesizer |
| | 149 | With means simultaneously carrying out conjugated reactions within single reactor |
| | 150 | Pigment or carbon black producer |
| | 151 | With means injecting quench stream into reaction chamber downstream of reaction site |
| | 152 | With particulate product collecting surface and means mechanically removing product therefrom |
| | 156 | With plural sequential reaction zones or chambers |
| | 157 | With movably or removably mounted plug means for converting reactor from (N) to (N+1) reaction stages |
| | 158 | Vapor phase reaction type |
| | 159 | For radioactive reactant or product |
| | 160 | Inorganic sulfur acid or anhydride producing type |
| | 162 | Inorganic hydrator |
| | 163 | Explosives synthesizer |
| | 164 | Solid reactant type (i.e., absence of fluid reactants) |
| | 168 | Waste gas purifier |
| | 169 | Including means providing sequential purification stages |
| | 173 | With heat exchanger for reaction chamber or reactants located therein |
| | 176 | Including waste gas flow distributor upstream of reaction site and within reaction chamber modifying velocity profile of gas |
| | 177 | Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc. |
| | 178 | And contact regenerating means or means for cleaning an internal surface of the reaction chamber |
| | 179 | Fixed bed with resilient or differential thermal expansion compensating bed support means |
| | 180 | Unitary (i.e., nonparticulate) contact bed (e.g., monolithic catalyst bed, etc.) |
| | 181 | Fixed annularly shaped bed of contact material and means directing gas therethrough substantially perpendicular to longitudinal axis of bed |
| | 182 | Including means injecting combustion fuel into reaction chamber in direct contact with waste gas |
| | 184.1 | For chemically destroying or disintegrating solid waste, other than burning alone |
| | 185 | For chemical recovery of chemicals from waste paper making liquor |
| | 186 | With means applying electromagnetic wave energy or corpuscular radiation to reactants for initiating or perfecting chemical reaction |
| | 186.01 | Magnetic |
| | 186.04 | Electrostatic field or electrical discharge |
| | 186.05 | Treating surface of solid substrate |
| | 186.07 | Ozonizers |
| | 186.08 | With preparatory or product-treating means |
| | 186.09 |  With drying means |
| | 186.1 | With filtering or particle removal means |
| | 186.11 | With cooling, compression, condensation, or liquefying means |
| | 186.12 | With subsequent use means |
| | 186.13 | With electrode moving means |
| | 186.14 | With fluent reactant flow control means |
| | 186.15 | With current control or special electrical supply means |
| | 186.18 | Cylindrical electrode |
| | 186.2 | With heating or cooling means |
| | 186.21 | Arc or spark discharge means |
| | 186.22 | With electrode or reaction space heating or cooling means |
| | 186.23 | With preparatory or product-treating means |
| | 186.26 | With electrode moving means |
| | 186.28 | With current control means |
| | 186.29 | With RF input means |
| | 186.3 | With ultraviolet radiation generating means |
| | 187 | Combined |
| | 600 | Including plural reaction stages |
| | 601 | Including plural parallel reaction stages with each stage in the form of a plate |
| | 602 | Plate-type laminated reactor |
| | 603 | Microscale reactor |
| | 604 | With gas contact means for degassing or agitating (e.g., sparging, etc.) |
| | 605 | With draft tube |
| | 606 | With multiphase mixing means |
| | 607 | With distributor or collection tray |
| | 608 | With separation or purification means (e.g., rectification, evaporation, ion exchanger, extraction, settler, absorption, recrystallization, etc.) |
| | 609 | Stripper tower |
| | 610 | Distillation means (e.g., retort, etc.) |
| | 611 | Scrubbing |
| | 612 | Absorption |
| | 613 | Cyclone separator |
| | 614 | Condenser |
| | 616 | Filtering means |
| | 618 | Including product separation or purification means |
| | 619 | Combined with contact material regenerating means (e.g., regenerating catalyst, etc.) |
| | 620 | Combined with recycling means (e.g., recycling products, reactants, etc.) |
| | 623 | Including a boiler |
| | 624 | Including a mechanical means for transportation of material (e.g., conveyor, turntable, truck, etc.) |
| | 625 | Including reformer reactor |
| | 626 | Including water gas shift reaction |
| | 627 | Combined with selective or preferential oxidation reactor |
| | 628 | Autothermal |
| | 629 | Steam reformer |
| | 630 | Discrete sequential reaction stages |
| | 631 | Plural solid, extended surface, fluid contact reaction stages (e.g., inert Raschig rings, particulate sorbent, particulate or monolithic catalyst, etc.) |
| | 632 | With down-flow fixed bed |
| | 633 | Including a unitary, monolithic catalyst bed |
| | 634 | With metal catalyst (e.g., metal oxide, etc.) |
| | 635 | Including random inert packing (e.g., Raschig rings, balls, saddle rings, etc.) |
| | 636 | At least one reaction stage formed of a fixed, annularly shaped bed of contact material |
| | 637 | With means for directing reaction stream therethrough substantially perpendicular to the longitudinal axis of the bed |
| | 638 | Superimposed reaction stages in single reaction chamber |
| | 639 | Wherein at least one reaction stage is upstream or downstream of parallel stages (e.g., AA-B, etc.) |
| | 640 | With parallel repeat of a sequence of reaction stages (e.g., AB-AB, etc.) |
| | 641 | With each stage in the form of a reaction tube |
| | 642 | Wherein the reaction stages are the same |
| | 643 | Including thermal combustion means |
| | 644 | Reaction stages located within single reaction chamber |
| | 645 | With baffle (i.e., deflector plate) |
| | 646 | With heating or cooling means |
| | 648 | Means within reaction chamber for redistributing reaction stream as it passes between adjacent stages |
| | 649 | With the provision of heating or cooling means |
| | 650 | Including plural parallel reaction stages with each stage in the form of a reaction tube |
| | 651 | Tubular stages in a single reaction chamber |
| | 652 | Reaction tubes filled with catalyst particles |
| | 653 | Reaction tubes containing structured catalyst |
| | 654 | Reaction tubes having catalyst coating |
| | 655 | Individual supply of reactants for each reaction tube |
| | 656 | With a solid reactant |
| | 657 | Operating at positive pressure |
| | 658 | With tube plate (e.g., supporting plate) |
| | 659 | With heating or cooling means |
| | 198 | Including heat exchanger for reaction chamber or reactants located therein |
| | 199 | Electrical type |
| | 200 | Indirect heat-exchange tube within reaction chamber with a nonreactant heat-exchange fluid passing therethrough |
| | 202 | Heat-exchange jacket surrounding reaction chamber |
| | 203 | Including fluid-transfer means connecting chamber to heat-exchange jacket |
| | 204 | Means associated with jacket providing combustion gas as heat-exchange medium |
| | 205 | Including baffle or stirring means disposed within jacket or chamber, the baffle means within chamber connected directly to wall thereof |
| | 206 | Regenerative heat sink |
| | 207 | Means injecting internal quench stream into reaction stream downstream of reaction stage |
| | 208 | Apparatus operates at positive pressure |
| | 209 | Including means rotating reaction chamber during use |
| | 211 | Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc. |
| | 212 | With means removing and recovering product from extended surface contact material |
| | 213 | Particulate contact material type and means providing flow of particulate material into or out of reaction chamber with reactants or products |
| | 216 | Compact bed of particulate, fluid contact material and means providing gravity flow of material within bed |
| | 217 | And means upstream of extended surface, fluid contact means removing particulate impurities from reactant stream |
| | 218 | Fixed annularly shaped bed of contact material and means directing reactant therethrough substantially perpendicular to longitudinal axis of bed |
| | 219 | And means loading contact material into, or unloading contact material from, reactor or means providing internal contact material reservoir |
| | 220 | And reactant flow distributor upstream of contact means and within reaction chamber modifying velocity profile of reactant flow |
| | 221 | Fixed contact bed type with resilient or differential thermal expansion compensating bed support means |
| | 222 | Unitary (i.e., nonparticulate) contact bed, (e.g., monolithic catalyst bed, etc.) |
| | 223 | With contact material regenerating means, per se, or combined with reactor |
| | 224 | Including internal mixing or stirring means |
| | 225 | Mechanical type stirring means |
| | 226 | In positive pressure reactor |
| | 227 | Including a draft tube for internal recirculation |
| | 228 | Including flow directing baffle attached directly to reaction chamber wall |
| | 229 | Longitudinally extending spiral stirring means |
| | 230 | Thermosyphon or differential density mixing means; e.g., means internally recycling reaction mass via differential density pumping, etc. |
| | 232 | Including solid reactant and means charging solids into, or dischanging solids from, reaction chamber |
| | 233 | Having both charge and discharge means along with means conveying solids therebetween located within reaction chamber |
| | 234 | Including external recycle loop |
| | 236 | Including means separating reaction chamber into plural reactant-containing compartments and means moving reactant therebetween |
| | 237 | Movably mounted container-type separating means and means moving same |
| | 238 | Solid reactant containing perforated or porous container-type separating means |
| | 239 | Reaction chamber includes at least one perforated, porous, or semipermeable wall and is adapted for holding solid reactant |
| | 240 | Including specific material of construction |
| | 242 | Positive pressure type |
| | 243 | PHYSICAL TYPE APPARATUS |
| | 244 | Including serially disposed vaporizing heating means (sublimer) and solid material deposition means maintained at a temperature lower than said heating means (condenser) |
| | 245.1 | Crystallizer |
| | 250.1 | Crucible-free zone refiner |
| | 251 | Including means separating and conveying crystals to a melting zone |
| | 252 | Hydraulic classifier with crystallizer |
| | 253 | Including feed compartment for introducing nutrient |
| | 254 | Movable crystallizer or scraping means |
| | 255 | Means separating or dissolving a material constituent |
| | 256 | Liquid-liquid contact means |
| | 257 | Including pulsator, adjustable plates, or plural inlets; e.g., spraying, etc. |
| | 258 | Including rotating chamber or rotating member within chamber; e.g., mixer-settler, etc. |
| | 260 | Including heating and cooling means |
| | 261 | Liquid-solid contact means |
| | 262 | Sulfur extraction |
| | 263 | Including monolithic nonporous body of solute |
| | 264 | Including means restricting solvent contact to one end of body of solute |
| | 265 | Buoyant holder |
| | 266 | Manual or mountable holder; e.g., soap holder, etc. |
| | 267 | Including means to remove solids from a filter |
| | 268 | Conveyor support for solid material during contact; e.g., bucket, etc. |
| | 269 | Including rotating member |
| | 270 | Member is container |
| | 273 | Member conveys material into and out of container; e.g., screw propeller, etc. |
| | 274 | Including perforated member which is nonlinear or inclined with respect to the major axis of container |
| | 275 | Including parallel perforated members perpendicular to, or parallel to, major axis of container |
| | 276 | Side wall of holder perforated |
| | 278 | Including plural orifice inlet, or deflector adjacent inlet for solvent flow |
| | 280 | Solvent vapor condenser |
| | 281 | Means recirculating solvent |
| | 282 | Including bypass |
| | 283 | Including dip tube for inlet or outlet of fluid solvent |
| | 284 | Internal heater; e.g., steam coil, etc. |
| | 285 | And heating means |
| | 291 | Combined |
| | 292 | Apparatus for treating solid article or material with fluid chemical |
| | 293 | Fluid having simultaneous diverse function |
| | 294 | Including flexible or collapsible treating chamber |
| | 295 | Including pressure treating chamber (above ambient) |
| | 296 | Fluid pressure maintains closure or seal |
| | 297 | And rack, support or handling means |
| | 298 | And vaporizer; e.g., boiler, etc. |
| | 300 | Including rack, support or handling means |
| | 305 | Including gas generating means |
| | 306 | Including means for adding a material to a gas |
| | 307 | Heat treating vessel with heating means |
| | 310 | ELEMENTS OR ADJUNCTS |
| | 311 | Bed support means (e.g., support grid or plate for supporting particulate bed of contact material, etc.) |
| | 312 | Tube element containing extended surface contact reaction means (e.g., a tube internally coated or packed with a catalyst, etc.) |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | DECREASING POLLUTION OR ENVIRONMENTAL IMPACT |
| | 901 | POLYMER DISSOLVER |
| | 902 | SODIUM CHLORIDE AND POTASSIUM CHLORIDE DISSOLVER |
| | 903 | RADIOACTIVE MATERIAL APPARATUS |
| | 904 | NITROGEN FIXATION MEANS |
| | 905 | MISCELLANEOUS LIQUID STERILIZATION MEANS |
| | 906 | PLASMA OR ION GENERATION MEANS |
| | 907 | CORONA OR GLOW DISCHARGE MEANS |
| | 908 | CRUCIBLES [B01L 3/04] |
| | 909 | CRYSTALLIZING DISHES [B01L 3/06] |
| | 910 | FLASKS [B01L 3/08] |
| | 911 | WASH BOTTLES [B01L 3/10] |
| | 912 | GAS JARS OR CYLINDERS [B01L 3/12] |
| | 913 | TEST TUBES [B01L 3/14] |
| | 914 | Specific test tube, per se [B01L 3/14B] |
| | 916 | Closing or opening means, e.g., corks, bungs [B01L 3/14C] |
| | 918 | Specially adapted for centrifugation [B01L 3/14D] |
| | 919 | BURETTES; PIPETTES [B01L 3/02] |
| | 920 | Burettes, i.e., for withdrawing and redistributing liquids through different conduits [B01L 3/02B] |
| | 922 | Pipettes, i.e., with only one conduit for withdrawing and redistributing liquids [B01L 3/02C] |
| | 923 | Plunger pump type [B01L 3/02C3] |
| | 924 | Capillary pipettes, i.e., having a very small bore [B01L 3/02C3C] |
| | 925 | Having mechanical strokelength setting means, e.g., movable stops [B01L 3/02C3D] |
| | 926 | Details of motor drive means [B01L 3/02C3M] |
| | 927 | Having several coaxial pistons [B01L 3/02C3P] |
| | 928 | Repeating pipettes, i.e. for dispensing multiple doses from a single charge [B01L 3/02C3R] |
| | 929 | Supports for pipettes [B01L 3/02C3S] |
| | 930 | Drop counters or drop formers [B01L 3/02D] |
| | 931 | Interchangeable or disposable dispensing tips [B01L 3/02E] |
| | 932 | Cooperating with positive ejection means [B01L 3/02E2] |
| | 933 | Means for supplying or disposing of tips, e.g., racks or cassettes [B01L 3/02E4] |
| | 934 | Mounted within a receptacle [B01L 3/02F] |
| | 935 | FLUID TRANSFERRING GLASSWARE [B01L 3/00B] |
| | 936 | Tubes; conduits [B01L 3/00B2] |
| | 937 | Joints; seals [B01L 3/00B4] |
| | 938 | Stopcocks; valves [B01L 3/00B6] |
| | 939 | CONTAINERS FOR THE PURPOSE OF RETAINING A MATERIAL TO BE ANALYZED [B01L 3/00C] |
| | 940 | Made of a rigid material [B01L 3/00C2] |
| | 941 | With identification means, e.g., coded [B01L 3/00C2B] |
| | 942 | For multiple samples, e.g., micro-titration plate [B01L 3/00C2D] |
| | 944 | Made of a flexible material [B01L 3/00C4] |
| | 946 | With fluid transport, e.g., multi-compartment structure [B01L 3/00C6] |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| ANALYZER, STRUCTURED INDICATOR, OR MANIPULATIVE LABORATORY DEVICE |
| FOR100 | Structured visual or optical indicator, per se (422/55) |
| FOR101 | Having reagent in absorbent or bibulous substrate (422/56) |
| FOR102 | Having coated reagent (422/57) |
| FOR103 | In holder or container having special form (422/58) |
| FOR106 | Test package or kit (422/61) |
| FOR107 | Miscellaneous laboratory apparatus and elements, per se (422/99) |
| CHEMICAL REACTOR |
| FOR113 | Including plural reaction stages (422/188) |
| FOR114 | And means providing discrete sequential reaction stages; e.g., train, etc. (422/189) |
| FOR115 | Plural solid, extended surface, fluid contact reaction stages each containing; e.g., inert Raschig rings, particulate sorbent, particulate or monolithic catalyst, etc. (422/190) |
| FOR116 | Superimposed reaction stages in single reaction chamber (422/191) |
| FOR118 | Reaction stages located within single reaction chamber (422/193) |
| FOR120 | Means within reaction chamber redistributing reaction stream as it passes between adjacent stages (422/195) |
| FOR121 | Including plural parallel reaction stages with each stage in form of a reaction tube (422/196) |
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