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Class Number: 204 Class Title: CHEMISTRY: ELECTRICAL AND WAVE ENERGY Subclass Subclass Number Title * PROCESSES AND PRODUCTS 1.11 .Electrolysis 1.5 ..Actinide series element or compound 59 R ..Synthesis 60 ...From fused bath 61 ....Compound 62 .....Organic 63 .....Inorganic nitrogen containing 64 R ....Metals 65 .....Beryllium 66 .....Lead or zinc 67 .....Aluminum 68 .....Alkali-forming 69 ......Alkaline earth metals 70 .......Magnesium 71 .....Alloys 64 T .....Titanium, zirconium, hafnium ...From aqueous bath 72 ....Organic compounds 73 R .....Hydrogenation 74 ......Of nitrogenous radicals 75 ......Of carbonylic radicals 76 .......Acyclic 77 ........Production of alcohols 73 A ......Of nitrilo alkene/alkyne unsaturation 78 .....Oxidation 79 ......Of acyclic compounds 80 .......Hydrocarbons 81 .....Halogenation ....Inorganic compounds 82 .....Per-compounds 83 ......Peroxides 84 .......Hydrogen peroxide 85 ......Perborates 86 .....Metallic salts 87 ......Carbonates 88 .......Of lead 89 ......Chromium containing 90 ......Phosphorus containing 91 ......Nitrogen containing 92 ......Sulfur containing 93 .......Sulfates 94 ......Halogen containing 95 .......Oxyhalogen 96 .....Metallic oxides and hydroxides 97 ......Of chromium 98 ......Of alkali-forming metals 99 .......Mercury cathode 100 ......Of alkaline earth metals 101 .....Non-metallic compounds 102 ......Ammonia and ammonium hydroxide 103 ......Acid and acid anhydridess 104 .......Sulfuric 105 R ....Metallic elements 106 .....Copper 107 ......Halogenating leach 108 ......Sulfating leach 109 .....Precious metals 110 ......Cyaniding leach 111 ......Halogenating leach 112 .....Iron group metals (i.e., iron, nickel, cobalt) 113 ......Halogenating leach 114 .....Lead, zinc, cadmium 115 ......Reduction at the cathode 116 ......Alkali hydroxide leach 117 ......Halogenating leach 118 .......Zinc 119 ......Sulfating leach 120 .....Tin 121 ......Alkali hydroxide leach 122 ......Halogenating lach 123 .....Alloys 124 ......Of mercury 125 .......With alkali-forming metal 126 .......With precious metals 127 ........Cyaniding leach 105 M .....Manganese 128 ....Nonmetallic elements 129 .....Hydrogen or oxygen 59 F ...Fluororganic compounds 59 M ...Metal 59 AM ....Alkali metal 59 QM ...Of organometallic compound 59 L ....Organolead compound 129.1 ..Erosion of a workpiece for shape or surface change; e.g., etching, polishing, etc. 129.2 ...With measuring, testing or sensing 129.25 ....To adjust voltage across or size of tool-workpiece gap 129.3 ...Employing irradiation or workpiece of nonuniform internal electrical characteristics 129.35 ...With preliminary cleaning or shaping of workpiece 129.4 ...Employing internal battery action or simple alternating current 129.43 ...Employing periodic current change 129.46 ...Employing abrading or wiping; e.g., electrochemical grinding, etc. 129.5 ...With defined electrode-workpiece gap or gap maintenance 129.55 ...Sharpening, pointing or aperture making 129.6 ...By local application of electrolyte; e.g., unsupported jet, surface tension, etc 129.65 ...Of masked workpiece 129.7 ...With vibration or defined electrolyte movement or pressure during erosion 129.75 ...Electrolyte composition or with defined electrolyte 129.8 ....Less than 50% water 129.85 .....More than 20% organic material 129.9 .....More than 20% chromium compound or phosphoric acid 129.95 ....Containing organic or Cr or P or Cyan compound 130 ..Material treatment 131 ...Organic materialss 132 ....Fibrous 133 .....Bleaching 134 .....Dyeing 135 .....Hides or skins 136 ....Hydrocarbon oils 138 ....Sugar 140 ...Metals and metallic alloys 141.5 ....Removing foreign materials, e.g., cleaning, etc. 144 .....By internal battery action 144.5 .....With current change in workpiece or solid-workpiece moving contact 145 R .....Nonelemental material from ferrous metals 145 F ......Fused bath 146 .....Entire identifiable elemental layer or portion; e.g., stripping, etc. 147 ....Object protection 148 .....Internal battery action 149 ...Water, sewage and other waste waters 150 ....Internal battery action 151 ....Diaphragm 152 ....With filtering 153 ...Alkali-forming metal hydroxides 153.1 ..Analysis or testing 153.11 ...For corrosion 153.12 ...Involving enzyme or microorganism 153.13 ...For halogen or halogen containing compound 153.14 ...For nitrogen or nitrogen containing compound 153.15 ...For alkali or alkaline earth metal or compound thereof 153.16 ...For oxygen or oxygen containing compound (except water) 153.17 ....Utilizing semipermeable membrane 153.18 ....Utilizing solid electrolyte 153.19 ...For sulfur or sulfur containing compound 153.2 ...For organic compound 153.21 ...For pH 153.22 ...For water (e.g., moisture, etc.) 153.23 ...Including titration 155 .Electrical, or wave energy in magnetic field 156 ..With discharge 157.15 .Processes of treating materials by wave energy 157.2 ..Isotope separation or enrichment 157.21 ...Inorganic product produced 157.22 ....Using laser 157.3 ..Removing a component from normally gaseous mixture 157.4 ..Process of preparing desired inorganic material 157.41 ...Using laser 157.42 ...Using sonic or ultrasonic energy 157.43 ...Using microwave energy 157.44 ...Using ionizing radiation 157.45 ...Boron, phosphorous or silicon containing product produced 157.46 ...Nitrogen containing product produced 157.47 ...Carbon containing product produced 157.48 ...Halogen containing product produced 157.49 ...Sulfur containing product produced 157.5 ...Oxygen containing product produced 157.51 ....Metal oxide or hydrate thereof 157.52 ...Hydrogen containing product produced 157.6 ..Process or preparing desired organic product containingg at least one atom other than carbon and hydrogen 157.61 ...Using laser 157.62 ...Using sonic or ultrasonic energy 157.63 ...Using ionizing radiation 157.64 ....Nitrogen, sulfur, phosphorous or silicon containing product produced 157.65 ....Carbocyclic ring containing product produced 157.67 ...Vitamin product produced 157.68 ...Carbohydrate or protein product produced 157.69 ...Heterocyclic product produced 157.7 ....Hetero sulfur containing 157.71 ....Hetero nitrogen containing 157.72 .....Hetero nitrogen ring contains at least two hetero atoms 157.73 ...Phosphorous product produced 157.74 ...Silicon product produced 157.75 ...Heavy metal product produced 157.76 ...Sulfur product produced 157.77 ....Nitrogen containing 157.78 ....Oxygen containing 157.79 .....Halogen containing 157.8 ....Halogen containing 157.81 ...Nitrogen product produced 157.82 ....Oxygen containing 157.83 .....Nitroso or oxime containing 157.84 ......Halogen containing 157.85 ....Carbon triple bonded to nitrogen containing 157.86 ....Halogen containing 157.87 ...Carboxylic acid or derivative product produced 157.88 ....Oxygen other than as part of a carboxylic acid or derivative moiety 157.89 ....Atom other than carbon, hydrogen or oxygen 157.9 ...Alcohol product produced 157.91 ....Fused or bridged ring containing 157.92 ...Ether product produced 157.93 ...Aldehyde or ketone product produced 157.94 ...Halogen product produced 157.95 ....Carbon and halogen only in product 157.96 .....Carbocyclic ring containing 157.97 ......Aryl ring containing 157.98 ....Unsaturated product 157.99 .....Unsaturation in aryl ring 158.1 ....Carbocyclic ring containing 158.11 ....Two or more diverse halogen atoms containing 158.12 ....Four or more carbon atoms containing 158.14 ..At least one carbocyclic ring and only carbon and hydrogen atoms in product produced 158.2 ..Processes of purifying materials 158.21 ...Organic material purified * ****************************** * *Note: See subclasses .......* * *900-914 for art collections.* * *pertaining to subclasses....* * *157.15-158.21. .............* * ****************************** 164 .Electrostatic field or electrical discharge 165 ..Organic 166 ...Vitaminss 167 ...Fats, fatty oils, ester type waxes, or higher fatty acids 168 ...Hydrocarbons 169 ....Halogenated or oxidized 170 ....Gaseous 171 .....Acetylene 172 ....Cracking hydrocarbon oils 173 ..Carbon 174 ..Sulfur-oxygen compounds 175 ..Hydrogen peroxide 176 ..Ozone 177 ..Nitrogen compounds 178 ...Arc or spark discharge 179 ....Nitrogen oxides 180.1 .Electrophoresis or electro-osmosis processes 180.2 ..Coating or forming of object 180.3 ...Rubber or vulcanizable natural gum used to coat or form 180.4 ....Sheet, web, wire or filament of indeterminate length formed or coated 180.5 ...Alternating current 180.6 ...Radiation energy (e.g., curing, etc.) 180.7 ...Interior of article 180.8 ...Regeneration, or replenishment of coating bath (e.g., ultrafiltration, ion exchange, measuring-adjustment, etc.) 180.9 ...Forming of object 181.1 ...Plural coating operations 181.2 ....Anodized or aluminum oxide coating 181.3 ....Phosphate conversion coating 181.4 ...Bath having designated chemical composition (DCC) 181.5 ....Resultant coating is solely inorganic 181.6 ....Anodic processes only 181.7 ....Cathodic processes only 181.8 ..Separation or purification of hydrocarbon oil 181.9 ...Aqueous system 182.1 ..At least two different electrophoretic or electro-osmotic methods or a combination of electrophoretic and electro-osmotic methods used, together or sequentially (other than merely combination of anion selective and cation selective) 182.2 ..Inorganic siliceous or calcareous material prepared, treated or separated (e.g., clay, earth, asbestos, glass, etc.) 182.3 ..Barrier separation (e.g., membrane, filter paper, etc.) 182.4 ...Ion selective (i.e., distinguishes between different charges) 182.5 ....Sea water, brine or sodium chloride prepared, treated or used 182.6 ....Polypeptide or amino acid prepared, separated or treated (e.g., protein, milk, whey, blood, etc.) 182.7 ..Absorbent strip electrophoresis (e.g., cellulose acetate or paper strip electrophoresis, etc.) 182.8 ..Gel electrophoresis 182.9 ...Isoelectric focusing (pH variation) 183.1 ..Dielectrophoresis (nonuniform electric field) 183.2 ..Isoelectric focusing (pH variation) 183.3 ..Isotachophoresis (Displacement electrophoresis) or measurement of ion or particle mobility 186 .Electrical separation or purification of liquids 188 ..Hydrocarbon oilss 189 ...With addition of dielectric fluid 190 ...With addition of water or other modifying agent 191 ...Modified alternating current waves 192.1 .Coating, forming or etching by sputtering 192.11 ..Ion beam sputter deposition 192.12 ..Glow discharge sputter deposition (e.g., cathode sputtering, etc.) 192.13 ...Measuring or testing (e.g., of operating parameters, property of article, etc.) 192.14 ...Coating inorganic material onto polymeric material 192.15 ...Specified deposition material or use 192.16 ....Wear or abrasion resistant 192.17 ....Electrical contact material 192.18 ....Piezoelectric 192.2 ....Ferromagnetic 192.21 ....Resistor 192.22 ....Insulator or dielectric 192.23 .....Silicon containing 192.24 ....Superconductor 192.25 ....Semiconductor 192.26 ....Optical or photoactive 192.27 .....Reflective 192.28 .....Absorptive 192.29 .....Transparent conductor 192.3 ....With sputter etching 192.32 ..Sputter etching 192.33 ...Measuring or testing (e.g., of operating parameters, end point determination, etc.) 192.34 ...Ion beam etching (e.g., ion milling, etc.) 192.35 ...Etching specified material 192.36 ....Organic 192.37 ....Silicon containing 192.38 .Vacuum arc discharge coating 193 APPARATUS 194 .Electrolytic 400 ..Analysis and testing 401 ...Fault testing of sensor or component 402 ...Regeneration or activation 403 ...Biological, e.g., microbe, enzyme, antigen, etc. 404 ...Corrosion 405 ...Titration 406 ...With significant electrical circuitry or nominal computer device 407 ...With significant display or analytical device 408 ...With means for temperature or pressure compensation 409 ...With means providing specified-flow condition or flow-path 410 ....Solid electrolyte means 411 ....Three or more electrodes 412 ...Three or more electrodes 413 ...Liquid electrode, e.g., Hg, Na, etc. 414 ...Gel electrolyte 415 ...Selectively permeable membrane 416 ...Ion-sensitive electrode 417 ....Liquid ion-exchanger 418 ....Organic membrane 419 ....Inorganic membrane 420 .....Glass ion-selective membrane 421 ...Solid electrolytee 422 ....Liquid sample sensor 423 .....With fugitive protective element 424 ....Gas sample sensor 425 .....With impressed current means 426 .....Planar electrode surface 427 .....With gas reference material 428 ......With protective element 429 .......Protective element is a layer 430 ...Moisture absorbing electrolyte 431 ...Gas sensing electrode 432 ....With gas diffusion electrode 433 ...Measuring carbon or pH 434 ...Involving plating, coating or stripping 435 ...Standard reference electrode 196 ..Object protection 197 ...Internal battery ..With movable electrode means 198 ...Work conveyer 199 ....Rotary 200 .....With base treatment 201 .....Loose article 202 ....Endless 203 .....With base treatment 204 ......With current control 205 .....With current control 206 ...Continuous strip or filament electrode 207 ....With base treatment 208 .....Stripping 209 .....Mechanical working 210 .....Heat treatment means 211 ....With current control 212 ...Rotary 213 ....Barrels and rotary receptacles 214 .....Swinging or tilting receptacles 215 ....With base treatment 216 .....Stripping 217 .....Mechanical working 218 ....With current control 219 ...Liquid electrode 220 ....With electrode recirculation means 221 ....With oscillator, reciprocator or agitator 222 ...Electrode oscillator, reciprocator or agitator 223 ....With current control 224 R ...Localized area applicators 224 M ....Electrochemical machining 225 ...Electrode feeding or withdrawal means 226 ....With base treatment 227 ..Cells with base treatment means 228 ..Cells with current control means 229 ...With fluid pressure, flow or level intercontrol 230 ....Gaseous fluid 231 ...Auxiliary electrode 232 ..Cells with electrolyte treatment means 233 ...Leacher, dissolver or extractor 234 ....Recirculation 235 .....With filter 236 .....With heater or cooler 237 ...Recirculationn 238 ....With filter 239 ....With heater or cooler 240 ...With filter 241 ...With heater or cooler 242 ..Cells 243 R ...Fused bath 244 ....Plural cells 245 ....With feeding and/or withdrawal means 246 .....Gas feeding 247 .....Gas withdrawal 243 M ....Bath current distribution, magnetic field control 248 ...Internal battery 249 ....Filter or loose electrode type 250 ...Liquid electrode 251 ....Diaphragm type 252 ...Diaphragm type 253 ....Plural cells 254 .....Bipolar electrode 255 ......With feeding and/or withdrawal means 256 .......Gas 257 .....With feeding and/or withdrawal means 258 ......Gas 259 ....Basket-type electrode 260 ....Concentrically arranged electrodes 261 ....With agitator 262 ....With heater or cooler 263 ....With feeding and/or withdrawal means 264 .....And filter 265 .....Gas feeding 266 .....Gas withdrawal 267 ...Plural cells 268 ....Bipolar electrode 269 ....With feeding and/or withdrawal means 270 .....Gas 271 ...Portable 272 ...Concentrically arranged electrodes 273 ...With agitator 274 ...With heater or cooler 275 ...With feeding and/or withdrawal means 276 ....And filter 277 ....Gas feeding 278 ....Gas withdrawal 279 ..Elements 280 ...Electrodes 281 ....Electroforming molds or strips plates 282 ....With diaphragm 283 .....Perforated or foraminous electrode 284 ....Perforated or foraminous 285 .....Work holder 286 ....With electrode supporting means 287 .....Work container 288 .....Electrodes with lateral extensions 289 ....With lateral extensions 290 R ....Laminated or coated 290 F .....Dielectric film-forming metal base, insoluble conductive coating 291 ....Composition 292 .....Metallicc 293 ......Alloys 294 .....Carbon containing 295 ...Diaphragms 296 ....Organic 297 R ...Electrode supports and work holders 297 M ....Workpiece held by magnetism or suction 297 W ....Workpiece rack 298.01 .Coating, forming or etching by sputtering 298.02 ..Coating 298.03 ...Measuring, analyzing or testing 298.04 ...Ion beam sputter deposition 298.05 ...Ion plating 298.06 ...Triode, tetrode, auxiliary electrode or biased workpiece 298.07 ...Specified gas feed or withdrawal 298.08 ...Specified power supply or matching network 298.09 ...Specified cooling or heating 298.11 ...Specified mask, shield or shutter 298.12 ...Specified target particulars 298.13 ....Target composition 298.14 ...Specified anode particulars 298.15 ...Specified work holder 298.16 ...Magnetically enchanced 298.17 ....Flux passes through target surface 298.18 .....Focusing target (e.g., conical target, plural inclined targets, etc.) 298.19 .....Planar magnetron 298.2 ......Moving magnetic field or target 298.21 .....Cylindrical or curved magnetron target 298.22 ......Moving magnetic field or target 298.23 ...Moving workpiece or target 298.24 ....Indeterminate length moving workpiece 298.25 ....Multi-chamber (e.g., including air lock, load/unload chamber, etc.) 298.26 ....Plural diverse treatment stations, zones, or coating material source within single chamber 298.27 ....Plural modes of movement (e.g., planetary, epicyclic, etc.) 298.28 ....Rotational movement 298.29 ....Oscillatory movement 298.31 ..Etching 298.32 ...Measuring, analyzing or testing 298.33 ...Specified gas feed or withdrawal 298.34 ...Auxiliary electrode, bias means or specified power supply 298.35 ...Multi-chamber, load/unload means or moving workpiece 298.36 ...Beam or directed flux etching (e.g., ion beam, etc.) 298.37 ...Magnetically enhanced 298.38 ...Microwave excitation 298.39 ...Plural parallel plates (e.g., desmearing reactor, etc.) 298.41 .Vacuum arc discharge coating 299 R .Electrophoretic or electro-osmotic 300 R ..With electrode moving means 300 EC ...Coating 301 ..With diaphragm 299 EC ..Coating 302 .Electrical separation or purification of liquids 304 ..With electrode moving meanss 305 ..With current control means 306 ...With fluid pressure, flow or level intercontrol 307 ..With agitator or vibrator 308 ..With heating or cooling means * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 EFFECTING A CHANGE IN ISOMERIZATION BY WAVE ENERGY 901 EFFECTING A COLOR CHANGE BY WAVE ENERGY 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) 903 .Inorganic chemical treating agent 904 ..Metal treating agent 905 ...Heavy metal agent 907 .Silicon or boron treating agent 908 .Phosphorus treating agent 909 .Heavy metal treating agent 910 .Sulfur treating agent 911 .Nitrogen treating agent 912 .Oxygen treating agent 913 ..Peroxide agent 914 .Only carbon, hydrogen or halogen atom in treating agent * ****************************** * DIGESTS * ****************************** DIG 3 Auxiliary internally generated electrical energy DIG 4 Electrolysis cell combined with fuel cell DIG 5 Magnetic plus electrolytic DIG 6 Unusual non-204 uses of electrolysis DIG 7 Current distribution within the bath DIG 8 AC plus DC DIG 9 Wave forms DIG 12 Electrochemical machining DIG 13 Purification and treatment of electroplating baths and plating wastes