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Patent (272361) 272361
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chemistry (275335) 275335
metallurgy (271773) 271773
chemical surface treatment (244212) 244212
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (244211) 244211
coating material with metallic material (244211) 244211
coating metallic material (244211) 244211
diffusion treatment of metallic material (244211) 244211
inhibiting corrosion of metallic material or incrustation ingeneral (244211) 244211
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (228644) 228644
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (228644) 228644
electricity (137992) 137992
basic electric elements (129888) 129888
semiconductor devices (99420) 99420
electric solid state devices not otherwise provided for (99368) 99368
transporting (70888) 70888
performing operations (70887) 70887
physics (41258) 41258
inorganic chemistry (35190) 35190
general tagging of cross-sectional technologies spanning over several sections of the ipc (33305) 33305
general tagging of new technological developments (33305) 33305
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (33305) 33305
science & technology (26933) 26933
compounds thereof (26880) 26880
non-metallic elements (26876) 26876
apparatus therefor (25324) 25324
technology (23841) 23841
technical subjects covered by former uspc (23636) 23636
materials science (22863) 22863
layered products (20925) 20925
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (20925) 20925
metallic materials (20873) 20873
electric techniques not otherwise provided for (19879) 19879
technical subjects covered by former us classification (18945) 18945
nanotechnology (18415) 18415
multi-step processes for surface treatment of metallicmaterial involving at least one process provided for in classc23 and at least oneprocess covered by subclass c21d or c22f or class c25 (17673) 17673
non-mechanical removal of metallic material from surface (17673) 17673
alloys (16355) 16355
metallurgy & metallurgical engineering (15904) 15904
adhesives (15717) 15717
dyes (15689) 15689
paints (15672) 15672
electric discharge tubes or discharge lamps (15654) 15654
miscellaneous applications of materials (15638) 15638
miscellaneous compositions (15638) 15638
natural resins (15638) 15638
polishes (15638) 15638
applying liquids or other fluent materials to surfaces, in general (15127) 15127
spraying or atomising in general (15127) 15127
conductors (14592) 14592
insulators (14573) 14573
cables (14556) 14556
selection of materials for their conductive, insulating ordielectric properties (14545) 14545
characterization and evaluation of materials (14202) 14202
crystal growth (13853) 13853
after-treatment of single crystals or a homogeneouspolycrystalline material with defined structure (13731) 13731
production of a homogeneous polycrystalline material withdefined structure (13731) 13731
refining by zone-melting of material (13731) 13731
single crystals or homogeneous polycrystalline material withdefined structure (13731) 13731
single-crystal-growth (13731) 13731
unidirectional solidification of eutectic material orunidirectional demixing of eutectoid material (13731) 13731
processes for applying liquids or other fluent materials tosurfaces, in general (13453) 13453
materials science, multidisciplinary (13046) 13046
ferrous or non-ferrous alloys (12844) 12844
treatment of alloys or non-ferrous metals (12844) 12844
surfaces and interfaces, thin films (12502) 12502
casting (12096) 12096
powder metallurgy (12038) 12038
optics (11967) 11967
electrolytic or electrophoretic processes (11615) 11615
technologies or applications for mitigation or adaptation againstclimate change (11580) 11580
ceramics (11407) 11407
slag (11106) 11106
exact sciences and technology (11001) 11001
making metallic powder (10995) 10995
manufacture of articles from metallic powder (10995) 10995
working metallic powder (10995) 10995
cements (10916) 10916
refractories (10909) 10909
concrete (10897) 10897
artificial stone (10870) 10870
compositions thereof, e.g. mortars, concrete or like buildingmaterials (10870) 10870
lime, magnesia (10870) 10870
treatment of natural stone (10870) 10870
material science (10863) 10863
inks (10839) 10839
chemical paint or ink removers (10832) 10832
coating compositions, e.g. paints, varnishes orlacquers (10832) 10832
correcting fluids (10832) 10832
filling pastes (10832) 10832
pastes or solids for colouring or printing (10832) 10832
use of materials therefor (10832) 10832
woodstains (10832) 10832
compositions based thereon (10663) 10663
organic macromolecular compounds (10663) 10663
their preparation or chemical working-up (10663) 10663
electroforming (10096) 10096
processes for the electrolytic or electrophoretic productionof coatings (10077) 10077
physical or chemical processes or apparatus in general (9629) 9629
printed circuits (9481) 9481
casings or constructional details of electric apparatus (9457) 9457
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Engineering & Comp. Sci. - Stacks (56) 56
Online Resources - Online (52) 52
Gerstein Science - Stacks (42) 42
Collection Dvlpm't (Acquisitions) - Vendor file (19) 19
UTL at Downsview - May be requested (12) 12
University Archives - Archives (10) 10
Collection Dvlpm't (Acquisitions) - Closed Orders (6) 6
Engineering & Comp. Sci. - Periodical Stacks (6) 6
UofT at Mississauga - Stacks (6) 6
Gerstein Science - Theses (5) 5
Physics - Theses (4) 4
Chemistry (A D Allen) - Stacks (3) 3
Physics - Stacks (2) 2
Collection Dvlpm't (Acquisitions) - Cancelled Order (1) 1
Engineering & Comp. Sci. - Bindery (1) 1
Engineering & Comp. Sci. - Missing (1) 1
Engineering & Comp. Sci. - Reference (1) 1
Physics - Reference (1) 1
Royal Ontario Museum - Stacks (1) 1
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English (292316) 292316
Chinese (46532) 46532
French (34382) 34382
Japanese (20665) 20665
German (18914) 18914
Korean (18346) 18346
Russian (1168) 1168
Portuguese (584) 584
Spanish (475) 475
Norwegian (219) 219
Swedish (181) 181
Danish (166) 166
Italian (153) 153
Dutch (140) 140
Finnish (140) 140
Polish (84) 84
Ukrainian (83) 83
Romanian (61) 61
Czech (49) 49
Hebrew (33) 33
Hungarian (19) 19
Bulgarian (17) 17
Turkish (16) 16
Slovenian (13) 13
Lithuanian (12) 12
Indonesian (11) 11
Arabic (10) 10
Latvian (6) 6
Estonian (5) 5
Chamorro (4) 4
Icelandic (4) 4
Slovak (4) 4
Croatian (3) 3
Greek (3) 3
Latin (2) 2
Serbian (2) 2
Afar (1) 1
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