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Patent (233918) 233918
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Report (521) 521
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chemistry (158500) 158500
metallurgy (153016) 153016
performing operations (82555) 82555
transporting (82555) 82555
compositions based thereon (72089) 72089
organic macromolecular compounds (72089) 72089
their preparation or chemical working-up (72089) 72089
human necessities (55613) 55613
physical or chemical processes or apparatus in general (55553) 55553
electricity (46570) 46570
hygiene (46160) 46160
medical or veterinary science (46152) 46152
basic electric elements (43824) 43824
compositions of macromolecular compounds (40122) 40122
preparations for medical, dental, or toilet purposes (34479) 34479
separation (33425) 33425
organic chemistry (31591) 31591
specific therapeutic activity of chemical compounds ormedicinal preparations (30782) 30782
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (26333) 26333
dyes (24347) 24347
adhesives (24238) 24238
paints (24190) 24190
polishes (24174) 24174
miscellaneous applications of materials (24173) 24173
miscellaneous compositions (24173) 24173
natural resins (24173) 24173
chemical surface treatment (22303) 22303
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (22303) 22303
coating material with metallic material (22303) 22303
coating metallic material (22303) 22303
diffusion treatment of metallic material (22303) 22303
inhibiting corrosion of metallic material or incrustation ingeneral (22303) 22303
use of inorganic or non-macromolecular organic substances ascompounding ingredients (21775) 21775
chemical or physical processes, e.g. catalysis or colloidchemistry (20658) 20658
their relevant apparatus (20658) 20658
physics (19364) 19364
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (18793) 18793
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (18793) 18793
general tagging of cross-sectional technologies spanning over several sections of the ipc (18371) 18371
general tagging of new technological developments (18371) 18371
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (18371) 18371
macromolecular compounds obtained otherwise than by reactionsonly involving unsaturated carbon-to-carbon bonds (17417) 17417
after-treatment not covered by subclasses c08b, c08c, c08f,c08g (17017) 17017
general processes of compounding (17017) 17017
working-up (17017) 17017
inks (16639) 16639
chemical paint or ink removers (16634) 16634
coating compositions, e.g. paints, varnishes orlacquers (16634) 16634
correcting fluids (16634) 16634
filling pastes (16634) 16634
pastes or solids for colouring or printing (16634) 16634
use of materials therefor (16634) 16634
woodstains (16634) 16634
compounds of unknown constitution (15794) 15794
macromolecular compounds obtained by reactions only involvingcarbon-to-carbon unsaturated bonds (14054) 14054
weapons (13379) 13379
science & technology (12816) 12816
semiconductor devices (12719) 12719
electric solid state devices not otherwise provided for (12710) 12710
mechanical engineering (12666) 12666
heating (12581) 12581
lighting (12558) 12558
blasting (12549) 12549
biological and medical sciences (12548) 12548
fundamental and applied biological sciences. psychology (12336) 12336
chemical constitution (11921) 11921
biochemistry (11340) 11340
microbiology (11291) 11291
wine (11095) 11095
beer (11088) 11088
enzymology (11083) 11083
vinegar (11067) 11067
mutation or genetic engineering (11065) 11065
spirits (11065) 11065
chemical aspects of bandages, dressings, absorbent pads, orsurgical articles (10932) 10932
disinfection, sterilisation, or deodorisation of air (10932) 10932
materials for bandages, dressings, absorbent pads, or surgicalarticles (10932) 10932
methods or apparatus for sterilising materials or objects ingeneral (10932) 10932
foods or foodstuffs (10839) 10839
their treatment, not covered by other classes (10839) 10839
plant physiology and development (9975) 9975
technical subjects covered by former uspc (9649) 9649
textiles (9629) 9629
technologies or applications for mitigation or adaptation againstclimate change (9467) 9467
acyclic or carbocyclic compounds (8471) 8471
inorganic chemistry (8464) 8464
treatment of water, waste water, sewage, or sludge (8181) 8181
apparatus therefor (7771) 7771
fermentation or enzyme-using processes to synthesise a desiredchemical compound or composition or to separate optical isomersfrom a racemic mixture (7719) 7719
heterocyclic compounds (7360) 7360
fuels (7343) 7343
working of plastics (7198) 7198
working of substances in a plastic state, in general (7198) 7198
layered products (7190) 7190
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (7190) 7190
life sciences & biomedicine (6824) 6824
foods, foodstuffs, or non-alcoholic beverages, not covered bysubclasses a23b - a23j (6350) 6350
preservation of foods or foodstuffs, in general (6350) 6350
their preparation or treatment, e.g. cooking, modification ofnutritive qualities, physical treatment (6350) 6350
lubricants (6043) 6043
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Gerstein Science - Stacks (55) 55
UofT at Mississauga - Stacks (33) 33
Engineering & Comp. Sci. - Stacks (29) 29
Collection Dvlpm't (Acquisitions) - Vendor file (16) 16
Robarts - Stacks (11) 11
UofT at Scarborough - Stacks (11) 11
UTL at Downsview - May be requested (10) 10
Chemistry (A D Allen) - Stacks (8) 8
Collection Dvlpm't (Acquisitions) - Closed Orders (7) 7
Online Resources - Online (7) 7
Gerstein Science - Periodical Stacks (4) 4
Physics - Stacks (4) 4
Earth Sciences (Noranda) - Stacks (3) 3
Media Commons - Microtexts (2) 2
OISE - Stacks (2) 2
Royal Ontario Museum - Stacks (2) 2
St. Michael's College (John M. Kelly) - 2nd Floor (2) 2
Chemistry (A D Allen) - In transit (1) 1
Gerstein Science - Bindery (1) 1
OISE - Curriculum Resources (1) 1
Physics - Storage (1) 1
Robarts - Course Reserves (1) 1
UofT at Mississauga - Reference (1) 1
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English (252255) 252255
Korean (97194) 97194
French (21762) 21762
German (6292) 6292
Chinese (4051) 4051
Japanese (1647) 1647
Spanish (770) 770
Danish (383) 383
Swedish (346) 346
Finnish (345) 345
Portuguese (308) 308
Norwegian (226) 226
Dutch (219) 219
Russian (170) 170
Italian (139) 139
Greek (61) 61
Polish (59) 59
Romanian (40) 40
Arabic (37) 37
Hungarian (35) 35
Czech (32) 32
Bulgarian (19) 19
Turkish (16) 16
Ukrainian (13) 13
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Indonesian (9) 9
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Latvian (6) 6
Serbian (6) 6
Icelandic (5) 5
Lithuanian (4) 4
Croatian (3) 3
Afrikaans (1) 1
Moldavian (1) 1
Urdu (1) 1
Welsh (1) 1
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