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chemistry (129568) 129568
metallurgy (129545) 129545
adhesives (129542) 129542
dyes (129541) 129541
miscellaneous applications of materials (129540) 129540
miscellaneous compositions (129540) 129540
natural resins (129540) 129540
paints (129540) 129540
polishes (129540) 129540
preparation of carbon black (129540) 129540
treatment of inorganic materials, other than fibrous fillers,to enhance their pigmenting or filling properties (129540) 129540
inorganic chemistry (70518) 70518
indexing scheme relating to structural and physical aspects ofsolid inorganic compounds (53197) 53197
compositions based thereon (43829) 43829
organic macromolecular compounds (43829) 43829
their preparation or chemical working-up (43829) 43829
performing operations (42398) 42398
transporting (42398) 42398
chemical paint or ink removers (37909) 37909
coating compositions, e.g. paints, varnishes orlacquers (37909) 37909
correcting fluids (37909) 37909
filling pastes (37909) 37909
inks (37909) 37909
pastes or solids for colouring or printing (37909) 37909
use of materials therefor (37909) 37909
woodstains (37909) 37909
use of inorganic or non-macromolecular organic substances ascompounding ingredients (35555) 35555
compositions of macromolecular compounds (19248) 19248
compounds thereof (18426) 18426
general tagging of cross-sectional technologies spanning over several sections of the ipc (18358) 18358
general tagging of new technological developments (18358) 18358
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (18358) 18358
non-metallic elements (18243) 18243
compounds containing metals not covered by subclassesc01d or c01f (15799) 15799
technical subjects covered by former uspc (15475) 15475
physical or chemical processes or apparatus in general (15451) 15451
nanotechnology (13947) 13947
manufacture or treatment of nanostructures (13646) 13646
measurement or analysis of nanostructures (13646) 13646
specific uses or applications of nanostructures (13646) 13646
technical subjects covered by former us classification (13524) 13524
human necessities (12946) 12946
textiles (11729) 11729
hygiene (11367) 11367
medical or veterinary science (11366) 11366
chemical or physical processes, e.g. catalysis or colloidchemistry (11281) 11281
their relevant apparatus (11281) 11281
preparations for medical, dental, or toilet purposes (10781) 10781
paper-making (9614) 9614
production of cellulose (9614) 9614
electricity (9501) 9501
impregnating or coating of paper (9489) 9489
paper not otherwise provided for (9489) 9489
preparation thereof not covered by subclasses d21c or d21d (9489) 9489
pulp compositions (9489) 9489
treatment of finished paper not covered by class b31 or subclass d21g (9489) 9489
ceramics (9413) 9413
concrete (9409) 9409
cements (9407) 9407
refractories (9407) 9407
artificial stone (9406) 9406
compositions thereof, e.g. mortars, concrete or like buildingmaterials (9406) 9406
lime, magnesia (9406) 9406
slag (9406) 9406
treatment of natural stone (9406) 9406
materials for miscellaneous applications, not provided forelsewhere (8907) 8907
specific use of cosmetics or similar toiletpreparations (8749) 8749
lakes (8731) 8731
mordants (8731) 8731
organic dyes or closely-related compounds for producing dyes (8731) 8731
compounds of the metals beryllium, magnesium, aluminium,calcium, strontium, barium, radium, thorium, or of therare-earth metals (8716) 8716
basic electric elements (8670) 8670
physics (8544) 8544
after-treatment not covered by subclasses c08b, c08c, c08f,c08g (6873) 6873
general processes of compounding (6873) 6873
working-up (6873) 6873
macromolecular compounds obtained by reactions only involvingcarbon-to-carbon unsaturated bonds (4964) 4964
lining machines (4393) 4393
printing (4393) 4393
stamps (4393) 4393
typewriters (4393) 4393
mixing, e.g. dissolving, emulsifying, dispersing (4164) 4164
glass (4067) 4067
colour printing (4064) 4064
printing, duplicating, marking, or copying processes (4064) 4064
mineral or slag wool (4063) 4063
macromolecular compounds obtained otherwise than by reactionsonly involving unsaturated carbon-to-carbon bonds (3998) 3998
chemical composition of glasses, glazes, or vitreousenamels (3826) 3826
joining glass to glass or other materials (3826) 3826
surface treatment of fibres or filaments made from glass,minerals or slags (3826) 3826
surface treatment of glass (3826) 3826
technologies or applications for mitigation or adaptation againstclimate change (3776) 3776
organic chemistry (3608) 3608
cinematography (3470) 3470
electrography (3470) 3470
holography (3470) 3470
photography (3470) 3470
layered products (3381) 3381
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (3381) 3381
insulators (3240) 3240
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English (103600) 103600
French (26385) 26385
German (21576) 21576
Chinese (13368) 13368
Korean (4507) 4507
Spanish (4230) 4230
Japanese (4179) 4179
Portuguese (2390) 2390
Russian (1977) 1977
Finnish (1198) 1198
Swedish (927) 927
Danish (788) 788
Dutch (783) 783
Norwegian (744) 744
Italian (612) 612
Polish (498) 498
Czech (288) 288
Slovenian (210) 210
Hungarian (191) 191
Romanian (182) 182
Turkish (174) 174
Ukrainian (146) 146
Croatian (78) 78
Indonesian (65) 65
Slovak (45) 45
Bulgarian (44) 44
Serbian (37) 37
Arabic (35) 35
Hebrew (27) 27
Greek (23) 23
Estonian (17) 17
Lithuanian (17) 17
Latvian (7) 7
Icelandic (6) 6
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