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lubricants (912013) 912013
fuels (904092) 904092
chemistry (900603) 900603
metallurgy (898054) 898054
peat (897896) 897896
petroleum, gas or coke industries (897895) 897895
technical gases containing carbon monoxide (897895) 897895
cracking hydrocarbon oils (332789) 332789
mineral waxes (332789) 332789
production of liquid hydrocarbon mixtures, e.g. by destructivehydrogenation, oligomerisation, polymerisation (332789) 332789
recovery of hydrocarbon oils from oil-shale, oil-sand, orgases (332789) 332789
refining mixtures mainly consisting of hydrocarbons (332789) 332789
reforming of naphtha (332789) 332789
transporting (268156) 268156
performing operations (268155) 268155
physical or chemical processes or apparatus in general (221459) 221459
natural gas (210091) 210091
liquefied petroleum gas (209287) 209287
adding materials to fuels or fires to reduce smoke orundesirable deposits or to facilitate soot removal (209224) 209224
firelighters (209224) 209224
fuels not otherwise provided for (209224) 209224
synthetic natural gas obtained by processes not covered bysubclasses c10g, c10k (209224) 209224
lubricating compositions (207817) 207817
use of chemical substances either alone or as lubricatingingredients in a lubricating composition (207816) 207816
chemical or physical processes, e.g. catalysis or colloidchemistry (154596) 154596
their relevant apparatus (154596) 154596
general tagging of cross-sectional technologies spanning over several sections of the ipc (122726) 122726
general tagging of new technological developments (122726) 122726
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (122726) 122726
organic chemistry (121164) 121164
destructive distillation of carbonageous materials forproduction of gas, coke, tar, or similar materials (114844) 114844
indexing scheme associated with subclass c10m relating to lubricatingcompositions (105503) 105503
technologies or applications for mitigation or adaptation againstclimate change (100446) 100446
mechanical engineering (99981) 99981
acyclic or carbocyclic compounds (99449) 99449
heating (97946) 97946
weapons (97767) 97767
lighting (97762) 97762
blasting (97747) 97747
carburetting air or other gases (79694) 79694
production of producer gas, water-gas, synthesis gas fromsolid carbonaceous material, or mixtures containing these gases (79694) 79694
separation (72778) 72778
climate change mitigation technologies in the production orprocessing of goods (63393) 63393
compositions based thereon (59014) 59014
organic macromolecular compounds (59014) 59014
their preparation or chemical working-up (59014) 59014
inorganic chemistry (58250) 58250
compounds thereof (53780) 53780
non-metallic elements (52874) 52874
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (42840) 42840
purifying or modifying the chemical composition of combustiblegases containing carbon monoxide (42224) 42224
adhesives (39720) 39720
paints (39504) 39504
dyes (39458) 39458
polishes (39449) 39449
miscellaneous applications of materials (39440) 39440
miscellaneous compositions (39440) 39440
natural resins (39440) 39440
lubricants & lubrication (29837) 29837
combustion apparatus (27436) 27436
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technical subjects covered by former uspc (26508) 26508
materials for miscellaneous applications, not provided forelsewhere (26495) 26495
pyroligneous acid (22790) 22790
working-up pitch, asphalt, bitumen, tar (22790) 22790
apparatus therefor (22614) 22614
lubrication and lubricants (22272) 22272
macromolecular compounds obtained by reactions only involvingcarbon-to-carbon unsaturated bonds (22176) 22176
physics (21941) 21941
compositions of macromolecular compounds (20168) 20168
combustion engines (19925) 19925
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technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (19267) 19267
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animal and vegetable oils, fats, fatty substances and waxes (17612) 17612
fatty acids therefrom (17612) 17612
general methods of organic chemistry (17405) 17405
treatment of water, waste water, sewage, or sludge (17083) 17083
electricity (16428) 16428
disposal of solid waste (16415) 16415
reclamation of contamined soil soil (16415) 16415
human necessities (15653) 15653
engineering elements and units (15308) 15308
general measures for producing and maintaining effectivefunctioning of machines or installations (15308) 15308
thermal insulation in general (15308) 15308
technology (14882) 14882
mixing, e.g. dissolving, emulsifying, dispersing (13994) 13994
macromolecular compounds obtained otherwise than by reactionsonly involving unsaturated carbon-to-carbon bonds (13452) 13452
consuming waste products by combustion (13432) 13432
cremation furnaces (13432) 13432
basic electric elements (12511) 12511
engineering (12441) 12441
acyclic, carbocyclic or heterocyclic compounds containingelements other than carbon, hydrogen, halogen, oxygen, nitrogen,sulfur, selenium or tellurium (12382) 12382
heterocyclic compounds (12062) 12062
use of inorganic or non-macromolecular organic substances ascompounding ingredients (11710) 11710
combustion engines in general (10867) 10867
internal-combustion piston engines (10867) 10867
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Online Resources - Online (2798) 2798
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UTL at Downsview - May be requested (98) 98
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English (804514) 804514
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