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Classification Resources
 
Class   204CHEMISTRY: ELECTRICAL AND WAVE ENERGY
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     PROCESSES AND PRODUCTS
Class 205 is an integral part of this Class (Class 204), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class.
[List of Pre Grant Publications for class 204 subclass 155][List of Patents for class 204 subclass 155]155 Subclass 155 indent level is 1 Electrical, or wave energy in magnetic field
[List of Pre Grant Publications for class 204 subclass 157.15][List of Patents for class 204 subclass 157.15]157.15 Subclass 157.15 indent level is 1 Processes of treating materials by wave energy
[List of Pre Grant Publications for class 204 subclass 157.2][List of Patents for class 204 subclass 157.2]157.2 Subclass 157.2 indent level is 2 Isotope separation or enrichment
 [List of Pre Grant Publications for class 204 subclass 157.3][List of Patents for class 204 subclass 157.3]157.3 Subclass 157.3 indent level is 2 Removing a component from normally gaseous mixture
[List of Pre Grant Publications for class 204 subclass 157.4][List of Patents for class 204 subclass 157.4]157.4 Subclass 157.4 indent level is 2 Process of preparing desired inorganic material
[List of Pre Grant Publications for class 204 subclass 157.6][List of Patents for class 204 subclass 157.6]157.6 Subclass 157.6 indent level is 2 Process or preparing desired organic product containing at least one atom other than carbon and hydrogen
 [List of Pre Grant Publications for class 204 subclass 157.61][List of Patents for class 204 subclass 157.61]157.61 Subclass 157.61 indent level is 3 Using laser
 [List of Pre Grant Publications for class 204 subclass 157.62][List of Patents for class 204 subclass 157.62]157.62 Subclass 157.62 indent level is 3 Using sonic or ultrasonic energy
[List of Pre Grant Publications for class 204 subclass 157.63][List of Patents for class 204 subclass 157.63]157.63 Subclass 157.63 indent level is 3 Using ionizing radiation
 [List of Pre Grant Publications for class 204 subclass 157.67][List of Patents for class 204 subclass 157.67]157.67 Subclass 157.67 indent level is 3 Vitamin product produced
 [List of Pre Grant Publications for class 204 subclass 157.68][List of Patents for class 204 subclass 157.68]157.68 Subclass 157.68 indent level is 3 Carbohydrate or protein product produced
[List of Pre Grant Publications for class 204 subclass 157.69][List of Patents for class 204 subclass 157.69]157.69 Subclass 157.69 indent level is 3 Heterocyclic product produced
 [List of Pre Grant Publications for class 204 subclass 157.73][List of Patents for class 204 subclass 157.73]157.73 Subclass 157.73 indent level is 3 Phosphorous product produced
 [List of Pre Grant Publications for class 204 subclass 157.74][List of Patents for class 204 subclass 157.74]157.74 Subclass 157.74 indent level is 3 Silicon product produced
 [List of Pre Grant Publications for class 204 subclass 157.75][List of Patents for class 204 subclass 157.75]157.75 Subclass 157.75 indent level is 3 Heavy metal product produced
[List of Pre Grant Publications for class 204 subclass 157.76][List of Patents for class 204 subclass 157.76]157.76 Subclass 157.76 indent level is 3 Sulfur product produced
[List of Pre Grant Publications for class 204 subclass 157.81][List of Patents for class 204 subclass 157.81]157.81 Subclass 157.81 indent level is 3 Nitrogen product produced
[List of Pre Grant Publications for class 204 subclass 157.87][List of Patents for class 204 subclass 157.87]157.87 Subclass 157.87 indent level is 3 Carboxylic acid or derivative product produced
[List of Pre Grant Publications for class 204 subclass 157.9][List of Patents for class 204 subclass 157.9]157.9 Subclass 157.9 indent level is 3 Alcohol product produced
 [List of Pre Grant Publications for class 204 subclass 157.92][List of Patents for class 204 subclass 157.92]157.92 Subclass 157.92 indent level is 3 Ether product produced
 [List of Pre Grant Publications for class 204 subclass 157.93][List of Patents for class 204 subclass 157.93]157.93 Subclass 157.93 indent level is 3 Aldehyde or ketone product produced
[List of Pre Grant Publications for class 204 subclass 157.94][List of Patents for class 204 subclass 157.94]157.94 Subclass 157.94 indent level is 3 Halogen product produced
 [List of Pre Grant Publications for class 204 subclass 158.14][List of Patents for class 204 subclass 158.14]158.14 Subclass 158.14 indent level is 2 At least one carbocyclic ring and only carbon and hydrogen atoms in product produced
[List of Pre Grant Publications for class 204 subclass 158.2][List of Patents for class 204 subclass 158.2]158.2 Subclass 158.2 indent level is 2 Processes of purifying materials
 [List of Pre Grant Publications for class 204 subclass 158.21][List of Patents for class 204 subclass 158.21]158.21 Subclass 158.21 indent level is 3 Organic material purified
Note: See subclasses 900-914 for art collections pertaining to subclasses 157.15-157.21.
[List of Pre Grant Publications for class 204 subclass 164][List of Patents for class 204 subclass 164]164 Subclass 164 indent level is 1 Electrostatic field or electrical discharge
[List of Pre Grant Publications for class 204 subclass 450][List of Patents for class 204 subclass 450]450 Subclass 450 indent level is 1 Electrophoresis or electro-osmosis processes and electrolyte compositions therefor when not provided for elsewhere
[List of Pre Grant Publications for class 204 subclass 451][List of Patents for class 204 subclass 451]451 Subclass 451 indent level is 2 Capillary electrophoresis
[List of Pre Grant Publications for class 204 subclass 456][List of Patents for class 204 subclass 456]456 Subclass 456 indent level is 2 Gel electrophoresis
[List of Pre Grant Publications for class 204 subclass 471][List of Patents for class 204 subclass 471]471 Subclass 471 indent level is 2 Coating or forming of object
[List of Pre Grant Publications for class 204 subclass 472][List of Patents for class 204 subclass 472]472 Subclass 472 indent level is 3 With control responsive to sensed condition
[List of Pre Grant Publications for class 204 subclass 475][List of Patents for class 204 subclass 475]475 Subclass 475 indent level is 3 Rubber or vulcanizable gum used to coat or form
 [List of Pre Grant Publications for class 204 subclass 477][List of Patents for class 204 subclass 477]477 Subclass 477 indent level is 3 Alternating current
 [List of Pre Grant Publications for class 204 subclass 478][List of Patents for class 204 subclass 478]478 Subclass 478 indent level is 3 With irradiation or illumination (e.g., for curing, etc.)
 [List of Pre Grant Publications for class 204 subclass 479][List of Patents for class 204 subclass 479]479 Subclass 479 indent level is 3 Coating interior of object
[List of Pre Grant Publications for class 204 subclass 480][List of Patents for class 204 subclass 480]480 Subclass 480 indent level is 3 With regeneration or replenishment of coating bath (e.g., ultrafiltration, ion exchange, measurement followed by addition of concentrated reagent, etc.)
 [List of Pre Grant Publications for class 204 subclass 483][List of Patents for class 204 subclass 483]483 Subclass 483 indent level is 3 Forming of object
[List of Pre Grant Publications for class 204 subclass 484][List of Patents for class 204 subclass 484]484 Subclass 484 indent level is 3 Plural coating operations
[List of Pre Grant Publications for class 204 subclass 489][List of Patents for class 204 subclass 489]489 Subclass 489 indent level is 3 Using bath having designated chemical composition (DCC)
 [List of Pre Grant Publications for class 204 subclass 509][List of Patents for class 204 subclass 509]509 Subclass 509 indent level is 3 With heat treatment of coating
 [List of Pre Grant Publications for class 204 subclass 510][List of Patents for class 204 subclass 510]510 Subclass 510 indent level is 3 With pretreatment of substrate (e.g., cleaning, wetting, etc.)
 [List of Pre Grant Publications for class 204 subclass 511][List of Patents for class 204 subclass 511]511 Subclass 511 indent level is 3 Using liquid jet
 [List of Pre Grant Publications for class 204 subclass 512][List of Patents for class 204 subclass 512]512 Subclass 512 indent level is 3 Continuous movement of substrate through bath
[List of Pre Grant Publications for class 204 subclass 513][List of Patents for class 204 subclass 513]513 Subclass 513 indent level is 2 Hydrocarbon oil separated or purified
[List of Pre Grant Publications for class 204 subclass 515][List of Patents for class 204 subclass 515]515 Subclass 515 indent level is 2 Inorganic siliceous or calcareous material prepared, separated, or treated (e.g., clay, earth, concrete, asbestos, glass, etc.)
[List of Pre Grant Publications for class 204 subclass 518][List of Patents for class 204 subclass 518]518 Subclass 518 indent level is 2 Barrier separation (e.g., using membrane, filter paper, etc.)
 [List of Pre Grant Publications for class 204 subclass 545][List of Patents for class 204 subclass 545]545 Subclass 545 indent level is 2 With use of nonelectrical field or force to separate (e.g., magnetic, centrifugal, etc.)
 [List of Pre Grant Publications for class 204 subclass 546][List of Patents for class 204 subclass 546]546 Subclass 546 indent level is 2 Absorbent strip electrophoresis (e.g., using cellulose acetate or paper strip, etc.)
 [List of Pre Grant Publications for class 204 subclass 547][List of Patents for class 204 subclass 547]547 Subclass 547 indent level is 2 Dielectrophoresis (i.e., using nonuniform electric field)
 [List of Pre Grant Publications for class 204 subclass 548][List of Patents for class 204 subclass 548]548 Subclass 548 indent level is 2 Isoelectric focusing (i.e., using pH variation)
 [List of Pre Grant Publications for class 204 subclass 549][List of Patents for class 204 subclass 549]549 Subclass 549 indent level is 2 Isotachophoresis (i.e., displacement electrophoresis) or measurement of ion or particle mobility
 [List of Pre Grant Publications for class 204 subclass 550][List of Patents for class 204 subclass 550]550 Subclass 550 indent level is 2 Ionophoresis
 [List of Pre Grant Publications for class 204 subclass 551][List of Patents for class 204 subclass 551]551 Subclass 551 indent level is 2 Solid sorption or desorption
 [List of Pre Grant Publications for class 204 subclass 553][List of Patents for class 204 subclass 553]553 Subclass 553 indent level is 2 Bulk separation of solids and liquids (e.g., dewatering solids, clarifying water, etc.)
[List of Pre Grant Publications for class 204 subclass 554][List of Patents for class 204 subclass 554]554 Subclass 554 indent level is 1 Electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation)
[List of Pre Grant Publications for class 204 subclass 192.1][List of Patents for class 204 subclass 192.1]192.1 Subclass 192.1 indent level is 1 Coating, forming or etching by sputtering
 [List of Pre Grant Publications for class 204 subclass 192.38][List of Patents for class 204 subclass 192.38]192.38 Subclass 192.38 indent level is 1 Vacuum arc discharge coating
[List of Pre Grant Publications for class 204 subclass 193][List of Patents for class 204 subclass 193]193 APPARATUS
[List of Pre Grant Publications for class 204 subclass 194][List of Patents for class 204 subclass 194]194 Subclass 194 indent level is 1 Electrolytic
[List of Pre Grant Publications for class 204 subclass 400][List of Patents for class 204 subclass 400]400 Subclass 400 indent level is 2 Analysis and testing
 [List of Pre Grant Publications for class 204 subclass 401][List of Patents for class 204 subclass 401]401 Subclass 401 indent level is 3 Fault testing of sensor or component
 [List of Pre Grant Publications for class 204 subclass 402][List of Patents for class 204 subclass 402]402 Subclass 402 indent level is 3 Regeneration or activation
[List of Pre Grant Publications for class 204 subclass 403.01][List of Patents for class 204 subclass 403.01]403.01 Subclass 403.01 indent level is 3 Biological material (e.g., microbe, enzyme, antigen, etc.) analyzed, tested, or included in apparatus
 [List of Pre Grant Publications for class 204 subclass 404][List of Patents for class 204 subclass 404]404 Subclass 404 indent level is 3 Corrosion
 [List of Pre Grant Publications for class 204 subclass 405][List of Patents for class 204 subclass 405]405 Subclass 405 indent level is 3 Titration
 [List of Pre Grant Publications for class 204 subclass 406][List of Patents for class 204 subclass 406]406 Subclass 406 indent level is 3 With significant electrical circuitry or nominal computer device
 [List of Pre Grant Publications for class 204 subclass 407][List of Patents for class 204 subclass 407]407 Subclass 407 indent level is 3 With significant display or analytical device
 [List of Pre Grant Publications for class 204 subclass 408][List of Patents for class 204 subclass 408]408 Subclass 408 indent level is 3 With means for temperature or pressure compensation
[List of Pre Grant Publications for class 204 subclass 409][List of Patents for class 204 subclass 409]409 Subclass 409 indent level is 3 With means providing specified-flow condition or flow-path
 [List of Pre Grant Publications for class 204 subclass 412][List of Patents for class 204 subclass 412]412 Subclass 412 indent level is 3 Three or more electrodes
 [List of Pre Grant Publications for class 204 subclass 413][List of Patents for class 204 subclass 413]413 Subclass 413 indent level is 3 Liquid electrode, e.g., Hg, Na, etc.
 [List of Pre Grant Publications for class 204 subclass 414][List of Patents for class 204 subclass 414]414 Subclass 414 indent level is 3 Gel electrolyte
 [List of Pre Grant Publications for class 204 subclass 415][List of Patents for class 204 subclass 415]415 Subclass 415 indent level is 3 Selectively permeable membrane
[List of Pre Grant Publications for class 204 subclass 416][List of Patents for class 204 subclass 416]416 Subclass 416 indent level is 3 Ion-sensitive electrode
[List of Pre Grant Publications for class 204 subclass 421][List of Patents for class 204 subclass 421]421 Subclass 421 indent level is 3 Solid electrolyte
 [List of Pre Grant Publications for class 204 subclass 430][List of Patents for class 204 subclass 430]430 Subclass 430 indent level is 3 Moisture absorbing electrolyte
[List of Pre Grant Publications for class 204 subclass 431][List of Patents for class 204 subclass 431]431 Subclass 431 indent level is 3 Gas sensing electrode
 [List of Pre Grant Publications for class 204 subclass 433][List of Patents for class 204 subclass 433]433 Subclass 433 indent level is 3 Measuring carbon or pH
 [List of Pre Grant Publications for class 204 subclass 434][List of Patents for class 204 subclass 434]434 Subclass 434 indent level is 3 Involving plating, coating or stripping
 [List of Pre Grant Publications for class 204 subclass 435][List of Patents for class 204 subclass 435]435 Subclass 435 indent level is 3 Standard reference electrode
[List of Pre Grant Publications for class 204 subclass 196.01][List of Patents for class 204 subclass 196.01]196.01 Subclass 196.01 indent level is 2 Object protection
[List of Pre Grant Publications for class 204 subclass 196.02][List of Patents for class 204 subclass 196.02]196.02 Subclass 196.02 indent level is 3 With control means responsive to sensed condition
 [List of Pre Grant Publications for class 204 subclass 196.05][List of Patents for class 204 subclass 196.05]196.05 Subclass 196.05 indent level is 3 With programmed, cyclic, or time responsive control means
[List of Pre Grant Publications for class 204 subclass 196.06][List of Patents for class 204 subclass 196.06]196.06 Subclass 196.06 indent level is 3 With measuring, testing, or sensing means
 [List of Pre Grant Publications for class 204 subclass 196.08][List of Patents for class 204 subclass 196.08]196.08 Subclass 196.08 indent level is 3 With gas or vapor removing or treating means
 [List of Pre Grant Publications for class 204 subclass 196.09][List of Patents for class 204 subclass 196.09]196.09 Subclass 196.09 indent level is 3 Plural cells used or protected
[List of Pre Grant Publications for class 204 subclass 196.1][List of Patents for class 204 subclass 196.1]196.1 Subclass 196.1 indent level is 3 Internal battery
 [List of Pre Grant Publications for class 204 subclass 196.26][List of Patents for class 204 subclass 196.26]196.26 Subclass 196.26 indent level is 3 Resistor or impedance in series between power supply and object
 [List of Pre Grant Publications for class 204 subclass 196.27][List of Patents for class 204 subclass 196.27]196.27 Subclass 196.27 indent level is 3 Alternative energy supply (e.g., solar panel, thermoelectric or piezoelectric power supply, etc.)
 [List of Pre Grant Publications for class 204 subclass 196.28][List of Patents for class 204 subclass 196.28]196.28 Subclass 196.28 indent level is 3 Rotating electrode
 [List of Pre Grant Publications for class 204 subclass 196.29][List of Patents for class 204 subclass 196.29]196.29 Subclass 196.29 indent level is 3 Magnetic mounting means
[List of Pre Grant Publications for class 204 subclass 196.3][List of Patents for class 204 subclass 196.3]196.3 Subclass 196.3 indent level is 3 Rigid anode with rigid support
[List of Pre Grant Publications for class 204 subclass 196.33][List of Patents for class 204 subclass 196.33]196.33 Subclass 196.33 indent level is 3 Flexible cable, chain, or wire anode or support
 [List of Pre Grant Publications for class 204 subclass 196.36][List of Patents for class 204 subclass 196.36]196.36 Subclass 196.36 indent level is 3 Earth grounded object or protection means
 [List of Pre Grant Publications for class 204 subclass 196.37][List of Patents for class 204 subclass 196.37]196.37 Subclass 196.37 indent level is 3 Vessel protected (e.g., steam boiler, etc.)
 [List of Pre Grant Publications for class 204 subclass 196.38][List of Patents for class 204 subclass 196.38]196.38 Subclass 196.38 indent level is 3 Anode contains precious metal or free carbon
     Subclass  indent level is 2 With movable electrode means
 [List of Pre Grant Publications for class 204 subclass 227][List of Patents for class 204 subclass 227]227 Subclass 227 indent level is 2 Cells with base treatment means
[List of Pre Grant Publications for class 204 subclass 228.1][List of Patents for class 204 subclass 228.1]228.1 Subclass 228.1 indent level is 2 With current, voltage, or power control means responsive to sensed condition
[List of Pre Grant Publications for class 204 subclass 229.4][List of Patents for class 204 subclass 229.4]229.4 Subclass 229.4 indent level is 2 With programmed, cyclic, or time responsive current, voltage, or power control means
[List of Pre Grant Publications for class 204 subclass 229.8][List of Patents for class 204 subclass 229.8]229.8 Subclass 229.8 indent level is 2 With means for measuring, testing, or sensing current, voltage, or power
[List of Pre Grant Publications for class 204 subclass 230.2][List of Patents for class 204 subclass 230.2]230.2 Subclass 230.2 indent level is 2 With current, voltage, or power control means
[List of Pre Grant Publications for class 204 subclass 232][List of Patents for class 204 subclass 232]232 Subclass 232 indent level is 2 Cells with electrolyte treatment means
[List of Pre Grant Publications for class 204 subclass 242][List of Patents for class 204 subclass 242]242 Subclass 242 indent level is 2 Cells
[List of Pre Grant Publications for class 204 subclass 279][List of Patents for class 204 subclass 279]279 Subclass 279 indent level is 2 Elements
[List of Pre Grant Publications for class 204 subclass 280][List of Patents for class 204 subclass 280]280 Subclass 280 indent level is 3 Electrodes
 [List of Pre Grant Publications for class 204 subclass 281][List of Patents for class 204 subclass 281]281 Subclass 281 indent level is 4 Electroforming molds or strips plates
[List of Pre Grant Publications for class 204 subclass 282][List of Patents for class 204 subclass 282]282 Subclass 282 indent level is 4 With diaphragm
[List of Pre Grant Publications for class 204 subclass 284][List of Patents for class 204 subclass 284]284 Subclass 284 indent level is 4 Perforated or foraminous
[List of Pre Grant Publications for class 204 subclass 286.1][List of Patents for class 204 subclass 286.1]286.1 Subclass 286.1 indent level is 4 With electrode supporting means
[See the Search Notes for FOR Collections associated with this subclass or its indents (if there are indents).]
 [List of Pre Grant Publications for class 204 subclass 289][List of Patents for class 204 subclass 289]289 Subclass 289 indent level is 4 With lateral extensions
[List of Pre Grant Publications for class 204 subclass 290.01][List of Patents for class 204 subclass 290.01]290.01 Subclass 290.01 indent level is 4 Laminated or coated (i.e., composite having two or more layers)
[See the Search Notes for FOR Collections associated with this subclass or its indents (if there are indents).]
[List of Pre Grant Publications for class 204 subclass 291][List of Patents for class 204 subclass 291]291 Subclass 291 indent level is 4 Composition
[List of Pre Grant Publications for class 204 subclass 295][List of Patents for class 204 subclass 295]295 Subclass 295 indent level is 3 Diaphragms
[List of Pre Grant Publications for class 204 subclass 297.01][List of Patents for class 204 subclass 297.01]297.01 Subclass 297.01 indent level is 3 Electrode support or work holder
[See the Search Notes for FOR Collections associated with this subclass or its indents )if there are indents).]
[List of Pre Grant Publications for class 204 subclass 298.01][List of Patents for class 204 subclass 298.01]298.01 Subclass 298.01 indent level is 1 Coating, forming or etching by sputtering
[List of Pre Grant Publications for class 204 subclass 298.02][List of Patents for class 204 subclass 298.02]298.02 Subclass 298.02 indent level is 2 Coating
[List of Pre Grant Publications for class 204 subclass 298.31][List of Patents for class 204 subclass 298.31]298.31 Subclass 298.31 indent level is 2 Etching
 [List of Pre Grant Publications for class 204 subclass 298.41][List of Patents for class 204 subclass 298.41]298.41 Subclass 298.41 indent level is 1 Vacuum arc discharge coating
[List of Pre Grant Publications for class 204 subclass 600][List of Patents for class 204 subclass 600]600 Subclass 600 indent level is 1 Electrophoretic or electro-osmotic apparatus
[List of Pre Grant Publications for class 204 subclass 601][List of Patents for class 204 subclass 601]601 Subclass 601 indent level is 2 Capillary electrophoresis type
[List of Pre Grant Publications for class 204 subclass 606][List of Patents for class 204 subclass 606]606 Subclass 606 indent level is 2 Gel electrophoresis type
[List of Pre Grant Publications for class 204 subclass 622][List of Patents for class 204 subclass 622]622 Subclass 622 indent level is 2 Coating or forming means
[List of Pre Grant Publications for class 204 subclass 627][List of Patents for class 204 subclass 627]627 Subclass 627 indent level is 2 Barrier separator (e.g., electrodialyzer, etc.)
[List of Pre Grant Publications for class 204 subclass 641][List of Patents for class 204 subclass 641]641 Subclass 641 indent level is 2 Absorbent strip (e.g., cellulose acetate, paper strip, etc.) type
 [List of Pre Grant Publications for class 204 subclass 643][List of Patents for class 204 subclass 643]643 Subclass 643 indent level is 2 Dielectrophoretic (i.e., uses nonuniform electric field)
 [List of Pre Grant Publications for class 204 subclass 644][List of Patents for class 204 subclass 644]644 Subclass 644 indent level is 2 Isoelectric focusing (i.e., uses pH variation)
 [List of Pre Grant Publications for class 204 subclass 645][List of Patents for class 204 subclass 645]645 Subclass 645 indent level is 2 Isotachophoretic (i.e., displacement electrophoretic) or means to measure ion or particle mobility
 [List of Pre Grant Publications for class 204 subclass 647][List of Patents for class 204 subclass 647]647 Subclass 647 indent level is 2 Particle bed separator (e.g., inert particles, ion exchange beads, etc.)
[List of Pre Grant Publications for class 204 subclass 648][List of Patents for class 204 subclass 648]648 Subclass 648 indent level is 2 Bulk separator for solids and liquids (e.g., to dewater solids, clarify water, etc.)
 [List of Pre Grant Publications for class 204 subclass 650][List of Patents for class 204 subclass 650]650 Subclass 650 indent level is 2 With moving or movable electrode
[List of Pre Grant Publications for class 204 subclass 660][List of Patents for class 204 subclass 660]660 Subclass 660 indent level is 1 Apparatus for electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation)
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 204 subclass 900][List of Patents for class 204 subclass 900]900 EFFECTING A CHANGE IN ISOMERIZATION BY WAVE ENERGY
 [List of Pre Grant Publications for class 204 subclass 901][List of Patents for class 204 subclass 901]901 EFFECTING A COLOR CHANGE BY WAVE ENERGY
[List of Pre Grant Publications for class 204 subclass 902][List of Patents for class 204 subclass 902]902 PRODUCTION OF DESIRED COMPOUND BY WAVE ENERGY IN PRESENCE OF A CHEMICALLY DESIGNATED NONREACTANT CHEMICAL TREATING AGENT (EXCLUDING WATER, CHLOROFORM, CARBON TETRACHLORIDE, METHYLENE CHLORIDE OR BENZENE)
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
  FOR920          ELECTROLYTIC OBJECT PROTECTION APPARATUS (204/196)
      FOR921          Subclass FOR921 indent level is 1 Internal battery (204/197)
  FOR922          ELECTROLYTIC CELLS WITH CURRENT CONTROL MEANS (204/228)
  FOR926          ELECTROLYTIC FUSED BATH CELLS (204/243 R)
      FOR930          ELECTROLYTIC CELLS WITH FEEDING AND/OR WITHDRAWAL MEANS (204/275)
      FOR931          ELECTROLYTIC ELECTRODE ELEMENTS WITH SUPPORTING MEANS (204/286)
  FOR932          LAMINATED OR COATED ELECTROLYTIC ELECTRODE ELEMENTS (204/290 R)
  FOR934          ELECTROLYTIC ELECTRODE SUPPORTS AND WORK HOLDERS (204/297 R)
     APPARATUS (204/193)
     Subclass  indent level is 1 Electrolytic (204/194)
     Subclass  indent level is 2 Analysis and testing (204/400)
 
DIGESTS
 
 [List of Pre Grant Publications for class 204 subclass DIG3][List of Patents for class 204 subclass DIG3] DIG3 AUXILIARY INTERNALLY GENERATED ELECTRICAL ENERGY
 [List of Pre Grant Publications for class 204 subclass DIG4][List of Patents for class 204 subclass DIG4] DIG4 ELECTROLYSIS CELL COMBINED WITH FUEL CELL
 [List of Pre Grant Publications for class 204 subclass DIG5][List of Patents for class 204 subclass DIG5] DIG5 MAGNETIC PLUS ELECTROLYTIC
 [List of Pre Grant Publications for class 204 subclass DIG6][List of Patents for class 204 subclass DIG6] DIG6 UNUSUAL NON-204 USES OF ELECTROLYSIS
 [List of Pre Grant Publications for class 204 subclass DIG7][List of Patents for class 204 subclass DIG7] DIG7 CURRENT DISTRIBUTION WITHIN THE BATH
 [List of Pre Grant Publications for class 204 subclass DIG8][List of Patents for class 204 subclass DIG8] DIG8 AC PLUS DC
 [List of Pre Grant Publications for class 204 subclass DIG9][List of Patents for class 204 subclass DIG9] DIG9 WAVE FORMS
 [List of Pre Grant Publications for class 204 subclass DIG12][List of Patents for class 204 subclass DIG12] DIG12 ELECTROCHEMICAL MACHINING
 [List of Pre Grant Publications for class 204 subclass DIG13][List of Patents for class 204 subclass DIG13] DIG13 PURIFICATION AND TREATMENT OF ELECTROPLATING BATHS AND PLATING WASTES