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| 4G072 | SILICON; COMPOUNDS THEREOF | |
| C01B33/00 -33/193 | ||
| C01B33/00-33/193 | AA | AA00 SUBJECT (OBLIGATORY CLASSIFICATION PLACE) |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Silicon | . Doped silicon | . Amorphous silicon (a-Si) | . Amorphous hydrogenated silicon (a-Si:H) | . Silicon hydrides | . . Monosilane (SiH4) | . . Disilane (Si2H6) | . Silicon fluorides | . . Silicon tetrafluoride (SiF4) | . . Trifluorosilane (SiHF3) | |||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA17 | AA18 | AA19 | AA20 | |||
| . Silicon chlorides | . . Silicon tetrachloride (SiCl4) | . . Hexachlorodisilane (Si2Cl6) | . . Trichlorosilane (SiHCl3) | . Silicon bromides or silicon iodides | . Silicon mixed-halides | . Hydrosilicofluoric acids (H2SiF6) | . Alkali metal silicofluorides | . Silicofluorides not otherwise provided for | . Silicides | |||
| AA21 | AA22 | AA24 | AA25 | AA26 | AA27 | AA28 | AA29 | AA30 | ||||
| . . of titanium (Ti) | . . of chromium (Cr) molybdenum (Mo) or tungsten (W) | . Silicon monoxide (SiO) | . Silicon dioxide or silica (SiO2) | . . anhydrous | . . hydrous | . Colloidal silica (Additional classification is made in CC) | . Crystalline silica | . . Quartz | ||||
| AA31 | AA32 | AA33 | AA34 | AA35 | AA36 | AA37 | AA38 | |||||
| . . Quartz crystal | . . Cristobalite | . Crystalline silica with zeolite structures | . Quartz glass | . Silica containing other oxides | . . Aluminium oxides (Al2O3) | . . Titanium oxides (TiO2) | . Silicas containing other substances | |||||
| AA41 | AA44 | AA45 | AA50 | |||||||||
| . Coated silicas | . Silica stones or sands | . Diatomaceous earth | . Others | |||||||||
| BB | BB00 SHAPE OR STRUCTURE |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
| . Lumps | . Plates | . Bars | . Fibres | . Granules or powders | . Extended granules | . Spheres | . Tablet-types | . Thin films | . Multilayer films | |||
| BB11 | BB12 | BB13 | BB14 | BB15 | BB16 | BB20 | ||||||
| . Single crystals | . Polycrystals | . Amorphous | . Glass | . Porous | . Hollow | . Others | ||||||
| CC | CC00 COLLOIDS |
CC01 | CC02 | CC04 | CC05 | CC07 | CC08 | CC10 | ||||
| . Hydrosols | . Organosols | . Hydrogels | . Organogels | . Xerogels | . Aerogels | . Silica gels | ||||||
| CC11 | CC13 | CC14 | CC16 | CC18 | CC20 | |||||||
| . Ultrafine silica gels | . Colloidal silicas or white carbons | . Precipitated silicas | . Fumed or misty silicas; High-temperature silicas | . Fused silicas | . Others | |||||||
| DD | DD00 DIAMETER OF GRAIN |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | DD09 | ||
| . 1 millimetre or more | . 1 to 0.1 millimetre | . 0.1 to 0.01 millimetre | . 0.01 to 0.001 millimetre or 10 to 1 micrometre | . 1 to 0.1 micrometre | . 0.1 to 0.01 micrometre | . 0.01 to 0.001 micrometre | . 1 to 0.1 millimicron or nanometre | . 0.1 millimicron or 1A or less | ||||
| EE | EE00 DISPERSION MEDIUM |
EE01 | EE02 | EE03 | EE05 | EE06 | EE07 | EE10 | ||||
| . Water | . Acids | . Alkalis | . Ethanol | . Other alcohols | . Other organic solvents | . Others | ||||||
| FF | FF00 BASE MATERIAL FOR THIN FILM |
FF01 | FF02 | FF04 | FF06 | FF07 | FF09 | FF10 | ||||
| . Glass | . Ceramics | . Metals | . Other inorganic materials | . Organic materials | . Semiconductors | . Others | ||||||
| GG | GG00 CATEGORY OF INVENTION |
GG01 | GG02 | GG03 | GG04 | GG05 | ||||||
| . Single substances | . Composition | . Methods | . Apparatus | . Drawings of apparatus | ||||||||
| HH | HH00 SILICON-BASED REACTANT, RAW MATERIAL, OR TREATING AGENT |
HH01 | HH02 | HH03 | HH04 | HH05 | HH06 | HH07 | HH08 | HH09 | HH10 | |
| . Silicon | . Metal silicides or silicon alloys | . Silicon hydrides | . . Silanes (SiH4) | . Silicon fluorides | . . Silicon tetrafluorides (SiF4) | . Silicon chlorides | . . Silicon tetrachlorides (SiCl4) | . . Trichlorosilanes (SiHCl3) | . Silicon bromides or silicon iodides | |||
| HH11 | HH13 | HH14 | HH15 | HH16 | HH17 | HH18 | HH19 | HH20 | ||||
| . Silicon mixed-halides | . Silicon monoxides | . Silicon dioxides not covered by HH17-HH20 | . . crystalline | . . amorphous | . Colloidal silica | . . Sols | . . Gels | . Silica stones or sands | ||||
| HH21 | HH22 | HH23 | HH24 | HH25 | HH26 | HH28 | HH29 | HH30 | ||||
| . Sodium silicates or water glass | . Other alkali metal silicates | . Alkaline earth metal silicates | . Other silicates | . Hydrosilicofluoric acids | . Silicofluorides | . Organic silicon compounds | . . Alkylsilicons | . . Alkoxysilanes | ||||
| HH33 | HH36 | HH37 | HH38 | HH39 | HH40 | |||||||
| . Other silicon compounds | . Minerals | . Clays | . Slags | . Plants | . Waste materials | |||||||
| HH41 | HH43 | HH50 | ||||||||||
| . . from wet phosphoric acids | . Ground water | . Others | ||||||||||
| JJ | JJ00 NON SILICON-BASED REACTANT, RAW MATERIAL, OR TREATING AGENT |
JJ01 | JJ02 | JJ03 | JJ04 | JJ05 | JJ06 | JJ07 | JJ08 | JJ09 | ||
| . Hydrogen | . Carbon | . Oxygen | . Halogens | . . Fluorine | . . Chlorine | . Other non-metallic elements | . Alkali metallic elements | . Other metallic elements | ||||
| JJ11 | JJ12 | JJ13 | JJ14 | JJ15 | JJ16 | JJ17 | JJ18 | |||||
| . Water | . Carbon dioxide | . Acids | . . Hydrogen chlorides (HCl) | . . Sulfuric acids (H2SO4) | . . Nitric acids (HNSO3) | . . Phosphoric acids (H3PO4) | . . Hydrogen fluorides (HF) | |||||
| JJ21 | JJ22 | JJ23 | JJ25 | JJ26 | JJ28 | JJ30 | ||||||
| . Alkalis | . . Sodium hydroxides (NaOH) | . . Ammonia (NH3) | . Hydrides | . Oxides | . Metal halides | . Other metal salts | ||||||
| JJ33 | JJ34 | JJ38 | JJ39 | |||||||||
| . Ammonium compounds | . Other inorganic compounds | . Alcohols | . . Ethanol | |||||||||
| JJ41 | JJ42 | JJ44 | JJ45 | JJ46 | JJ47 | JJ50 | ||||||
| . Organic acids | . Organic nitrogen-containing compounds | . Alkylmetals | . Other organo-metallic compounds | . Metal alkoxides | . Other organic compounds | . Others | ||||||
| KK | KK00 ADDITIVE OR CATALYST |
KK01 | KK03 | KK05 | KK06 | KK07 | KK09 | |||||
| . Acids | . Alkalis | . Silicates | . Sulfates | . Other metallic salts | . Other inorganic compounds | |||||||
| KK11 | KK13 | KK15 | KK17 | KK20 | ||||||||
| . Metallic elements | . Alcohols | . Organic nitrogen-containing compounds | . Other organic compounds | . Others | ||||||||
| LL | LL00 REACTION OR TREATMENT MEDIUM |
LL01 | LL02 | LL03 | LL04 | LL05 | LL06 | LL07 | LL09 | |||
| . Hydrogen | . Nitrogen | . Inert gases | . Carbon dioxide | . Other gases | . Water | . Acids | . Alkalis | |||||
| LL11 | LL13 | LL14 | LL15 | LL17 | LL19 | |||||||
| . Alcohols | . Ethers | . Organic solvents containing nitrogen | . Other organic solvents | . Other liquids | . Solids | |||||||
| MM | MM00 OPERATION RELATING TO REACTION OR SEPARATION |
MM01 | MM02 | MM03 | MM04 | MM06 | MM08 | MM09 | ||||
| . Formation reaction | . Mixing or shearing | . Separating or recovering | . Extracting solvents | . Concentration | . Purification | . Distillation | ||||||
| MM11 | MM12 | MM13 | MM14 | MM17 | ||||||||
| . Adsorption | . . Active carbons | . . Zeolite | . Ion exchange | . Forming complexes | ||||||||
| MM21 | MM22 | MM23 | MM24 | MM25 | MM26 | MM28 | ||||||
| . Deposition or precipitation | . Filtration | . Cleaning | . . Acids | . . Alkalis | . Crushing | . Classifying or sieving | ||||||
| MM31 | MM32 | MM33 | MM34 | MM35 | MM36 | MM37 | MM38 | MM40 | ||||
| . Drying | . Spray-drying | . Vacuum-drying | . Freeze-drying | . Dehydrating | . Baking | . Sintering | . Melting | . Others | ||||
| NN | NN00 OPERATION RELATING TO CRYSTAL OR THIN FILM |
NN01 | NN02 | NN03 | NN05 | NN06 | NN09 | NN10 | ||||
| . Polycrystallisation | . Casting methods | . Single-crystal growth | . Zone melting | . Amorphising | . Vacuum deposition | . Molecular-beam epitaxy (MBE) | ||||||
| NN11 | NN13 | NN14 | NN15 | NN16 | NN17 | NN18 | ||||||
| . Spattering | . Chemical vapour deposition (CVD) methods | . Siemens methods | . . Single carrier | . . Multiple carriers | . . Gate carriers | . Plasma chemical vapour deposition (PCVD) methods | ||||||
| NN21 | NN24 | NN25 | NN27 | NN30 | ||||||||
| . Forming thin films from solutions | . Epitaxial growth excluding molecular beam epitaxy (MBE) | . Doping | . Etching | . Others | ||||||||
| PP | PP00 OPERATION RELATING TO COLLOIDS |
PP01 | PP02 | PP03 | PP05 | PP06 | PP07 | PP09 | ||||
| . Forming sols | . Growing sols | . Gelling sols | . Forming sols | . Aging gels | . Dispersing gels or converting gels to sols | . Forming heels | ||||||
| PP11 | PP12 | PP13 | PP14 | PP15 | PP17 | PP20 | ||||||
| . Ultrafiltration | . Dialysis | . Electrolytic dialysis | . Replacing organic solvents | . Evaporating organic solvents | . Sol-gel methods | . Others | ||||||
| QQ00 SECONDARY OR OTHER OPERATION |
QQ01 | QQ02 | QQ03 | QQ05 | QQ06 | QQ07 | QQ09 | |||||
| . Granulating | . Forming | . Compressing | . Stabilising | . Treating or modifying surfaces excluding hydrophobisation | . Hydrophobisation | . Coating | ||||||
| QQ13 | QQ16 | QQ20 | ||||||||||
| . Treating waste materials | . Controlling | . Others | ||||||||||
| RR | RR00 REACTION OR TREATMENT PROCESS; HEATING PROCESS; REACTION OR TREATMENT APPARATUS |
RR01 | RR02 | RR03 | RR04 | RR05 | RR06 | RR07 | ||||
| . Decomposition reactions | . Disproportionation reactions | . Oxidation | . Reduction | . Hydrolysis | . Neutralisation | . Other reactions | ||||||
| RR11 | RR12 | RR13 | RR15 | RR16 | RR17 | RR19 | RR20 | |||||
| . Gas-phase methods | . Liquid-phase methods | . Solid-phase methods | . Multi-stage methods | . Recirculation methods | . Fluidisation methods | . Hydrothermal treatments | . Autoclave treatments | |||||
| RR21 | RR22 | RR23 | RR24 | RR25 | RR26 | RR28 | RR30 | |||||
| . Electric furnaces | . Arc furnaces | . High-frequencies | . Microwaves | . Plasma | . Lasers | . Electrodes | . Others | |||||
| SS | SS00 METHOD FOR REACTING SILICATE AND ACID |
SS01 | SS02 | SS04 | SS05 | SS06 | SS07 | SS09 | SS10 | |||
| . Adding acids | . Adding silicates | . Batch methods or one-time methods | . Batch methods or discontinuous methods | . Continuously-adding methods | . Simultaneously-adding methods | . Strongly acidic conditions; pH 1 or less | . Acidic conditions; pH 2 to 5 | |||||
| SS11 | SS12 | SS14 | SS20 | |||||||||
| . Neutral conditions; pH 6 to 8 | . Alkaline conditions; pH 9 or more | . Adding third substances (Additional classification is made in KK.) | . Others | |||||||||
| TT | TT00 CLAIMED PROPERTY |
TT01 | TT02 | TT04 | TT05 | TT06 | TT08 | TT09 | ||||
| . Grain diameters | . Distributions of grain diameters | . Bulk densities or apparent specific gravities (g/ml) | . Specific surface areas (m2/g) | . BET specific surface areas | . Average pore diameters | . Pore volumes (ml/g) | ||||||
| TT11 | TT12 | TT14 | TT15 | TT17 | TT19 | TT20 | ||||||
| . Oil-absorption (ml/100g) | . Values of dibutyl phthalate (DBP) | . Japanese Industrial Standards (JIS) | . Deutsches Institut fur Normung (DIN) or German Industrial Standards | . Conductivity | . Impurity amounts | . . Alkali metals | ||||||
| TT21 | TT30 | |||||||||||
| . . Uranium (U) or thorium (Th) | . Others | |||||||||||
| UU | UU00 FIELD OR USE |
UU01 | UU02 | UU03 | UU04 | UU07 | UU08 | UU09 | ||||
| . Semiconductors | . Solar batteries | . Optical conductive materials | . Photosensitive materials | . Fillers | . . Rubbers | . . Plastics | ||||||
| UU11 | UU12 | UU13 | UU15 | UU17 | UU19 | |||||||
| . Adsorbents | . Drying agents | . Chromatography | . Catalysts | . Carriers | . Olefin polymerisation | |||||||
| UU21 | UU22 | UU23 | UU25 | UU26 | UU27 | UU30 | ||||||
| . Raw materials of glass | . Teeth brushing | . Dentistry | . Paper manufacturing | . Fibres | . Foods | . Others |