Canadian Patent Classes

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Class 253 Lubricating and hydraulic fluid compositions
cpcdescription
253/1(1) Lubricants
253/2(1) Lubricants (2) Radioactive and Radiation Resistant
253/2.5(1) Lubricants (2.5) Fluorescent or Color Imparting
253/9(1) Lubricants (9) Packages, Gaseous or Gas Charged
253/10(1) Lubricants (10) Solid or Powdered
253/11(1) Lubricants (10) Solid or Powdered (11) Carbon
253/12(1) Lubricants (12) Fibrous Carrier
253/13(1) Lubricants (13) Inorganic
253/14(1) Lubricants (13) Inorganic (14) Carbon
253/15(1) Lubricants (13) Inorganic (14) Carbon (15) With Resins
253/16(1) Lubricants (13) Inorganic (14) Carbon (16) With Soaps or Esters
253/17(1) Lubricants (13) Inorganic (17) Silicon
253/18(1) Lubricants (13) Inorganic (17) Silicon (18) Clay
253/19(1) Lubricants (13) Inorganic (17) Silicon (18) Clay (19) Bentonite
253/20(1) Lubricants (13) Inorganic (17) Silicon (20) Silica, Silica Gel
253/21(1) Lubricants (13) Inorganic (17) Silicon (21) Silicates
253/22(1) Lubricants (13) Inorganic (22) Sulphur, Selenium or Tellurium Containing
253/23(1) Lubricants (13) Inorganic (22) Sulphur, Selenium or Tellurium Containing (23) Molybdenum, Tungsten, Titanium, Zirconium
253/24(1) Lubricants (13) Inorganic (24) Heavy Metal or Boron
253/25(1) Lubricants (13) Inorganic (25) Alkali, Alkaline Earth, Nitrogen or Hydrogen Containing
253/26(1) Lubricants (13) Inorganic (25) Alkali, Alkaline Earth, Nitrogen or Hydrogen Containing (26) Nitrates or Nitrites
253/27(1) Lubricants (13) Inorganic (25) Alkali, Alkaline Earth, Nitrogen or Hydrogen Containing (27) Phosphorus Compounds
253/28(1) Lubricants (28) Organic
253/29(1) Lubricants (28) Organic (29) Natural Resin
253/30(1) Lubricants (28) Organic (29) Natural Resin (30) Rubber
253/31(1) Lubricants (28) Organic (29) Natural Resin (31) Asphalt, Bitumen, Tar, Pitch
253/32(1) Lubricants (28) Organic (32) Protein or Carbohydrate
253/33(1) Lubricants (28) Organic (33) Metallic Soap
253/34(1) Lubricants (28) Organic (33) Metallic Soap (34) Sulphur or Phosphorus
253/35(1) Lubricants (28) Organic (33) Metallic Soap (35) Nitrogen or Halogen
253/36(1) Lubricants (28) Organic (33) Metallic Soap (36) Heavy Metal
253/37(1) Lubricants (28) Organic (33) Metallic Soap (36) Heavy Metal (37) Lead
253/38(1) Lubricants (28) Organic (33) Metallic Soap (36) Heavy Metal (38) Aluminum
253/39(1) Lubricants (28) Organic (33) Metallic Soap (36) Heavy Metal (38) Aluminum (39) Mixed Soaps
253/40(1) Lubricants (28) Organic (33) Metallic Soap (40) Hydroxy Fatty Acids
253/41(1) Lubricants (28) Organic (33) Metallic Soap (40) Hydroxy Fatty Acids (41) Alkaline Earth Metal
253/42(1) Lubricants (28) Organic (33) Metallic Soap (40) Hydroxy Fatty Acids (42) Alkali Metal
253/43(1) Lubricants (28) Organic (33) Metallic Soap (43) Alkaline Earth Metal
253/44(1) Lubricants (28) Organic (33) Metallic Soap (43) Alkaline Earth Metal (44) Mixed Soaps
253/45(1) Lubricants (28) Organic (33) Metallic Soap (43) Alkaline Earth Metal (45) With Metal Salts
253/46(1) Lubricants (28) Organic (33) Metallic Soap (43) Alkaline Earth Metal (46) With Polymers, Oxygen, Nitrogen, Sulphur, Halogen
253/47(1) Lubricants (28) Organic (33) Metallic Soap (47) Alkali Metal
253/48(1) Lubricants (28) Organic (33) Metallic Soap (47) Alkali Metal (48) With Carboxylic Esters
253/49(1) Lubricants (28) Organic (33) Metallic Soap (47) Alkali Metal (49) With Nitrogen Compounds
253/50(1) Lubricants (28) Organic (33) Metallic Soap (47) Alkali Metal (50) With Metal Salts
253/51(1) Lubricants (28) Organic (33) Metallic Soap (47) Alkali Metal (51) With Polymers, Oxygen, Sulphur or Halogen
253/52(1) Lubricants (28) Organic (52) Metal Naphthenates or Oxidized Hydrocarbon Salts
253/53(1) Lubricants (28) Organic (53) Molybdenum, Tungsten, Titanium, Zirconium
253/54(1) Lubricants (28) Organic (54) Hetercyclic
253/55(1) Lubricants (28) Organic (54) Hetercyclic (55) Polymers from Unsaturated Compounds
253/56(1) Lubricants (28) Organic (54) Hetercyclic (56) Hetero Oxygen
253/57(1) Lubricants (28) Organic (54) Hetercyclic (57) Hetero Nitrogen
253/58(1) Lubricants (28) Organic (54) Hetercyclic (57) Hetero Nitrogen (58) Hetero Sulphur
253/59(1) Lubricants (28) Organic (54) Hetercyclic (57) Hetero Nitrogen (58) Hetero Sulphur (59) Thiazoles
253/60(1) Lubricants (28) Organic (60) Boron
253/61(1) Lubricants (28) Organic (61) Silicon
253/62(1) Lubricants (28) Organic (61) Silicon (62) Heavy Metal Containing
253/63(1) Lubricants (28) Organic (61) Silicon (63) Silicon Esters (Si-O-C)
253/64(1) Lubricants (28) Organic (61) Silicon (64) Siloxanes or Silicone (Si-O-Si)
253/65(1) Lubricants (28) Organic (65) Phosphorus
253/66(1) Lubricants (28) Organic (65) Phosphorus (66) Trivalent
253/67(1) Lubricants (28) Organic (65) Phosphorus (67) Phosphonic
253/68(1) Lubricants (28) Organic (65) Phosphorus (68) Nitrogen
253/69(1) Lubricants (28) Organic (65) Phosphorus (68) Nitrogen (69) Phosphorus-Sulphur-Nitrogen Reaction Product
253/70(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur
253/71(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (71) Phosphorus Sulphur-Hydro-carbon Reaction Products
253/72(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (71) Phosphorus Sulphur-Hydro-carbon Reaction Products (72) Mineral Oil
253/73(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (71) Phosphorus Sulphur-Hydro-carbon Reaction Products (73) Polymerized Olefins
253/74(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (71) Phosphorus Sulphur-Hydro-carbon Reaction Products (74) Terpenes
253/75(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (71) Phosphorus Sulphur-Hydro-carbon Reaction Products (74) Terpenes (75) Additional Alcohol or Phenol Reactant
253/76(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (76) Phosphorus Sulphur-Oxygen Reaction Products (Phenols and Alcohols Excepted)
253/77(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (76) Phosphorus Sulphur-Oxygen Reaction Products (Phenols and Alcohols Excepted) (77) Halogen
253/78(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (76) Phosphorus Sulphur-Oxygen Reaction Products (Phenols and Alcohols Excepted) (78) Glyceride or Wax
253/79(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (79) Thiophosphates
253/80(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (79) Thiophosphates (80) Aromatic
253/81(1) Lubricants (28) Organic (65) Phosphorus (70) Sulphur (79) Thiophosphates (81) Acyclic
253/82(1) Lubricants (28) Organic (65) Phosphorus (82) Phosphates
253/83(1) Lubricants (28) Organic (65) Phosphorus (82) Phosphates (83) Halogen or Heavy Metal
253/84(1) Lubricants (28) Organic (65) Phosphorus (82) Phosphates (84) Aromatic
253/85(1) Lubricants (28) Organic (65) Phosphorus (82) Phosphates (85) Acyclic
253/86(1) Lubricants (28) Organic (86) Sulphur
253/87(1) Lubricants (28) Organic (86) Sulphur (87) Sulphur-Hydrocarbon Reaction Products
253/88(1) Lubricants (28) Organic (86) Sulphur (88) Sulphur-Oxygen Reaction Products
253/89(1) Lubricants (28) Organic (86) Sulphur (89) Polyaromatic Sulphides
253/90(1) Lubricants (28) Organic (86) Sulphur (89) Polyaromatic Sulphides (90) Phenolic Sulphides
253/91(1) Lubricants (28) Organic (86) Sulphur (91) Halogen
253/92(1) Lubricants (28) Organic (86) Sulphur (92) Nitrogen
253/93(1) Lubricants (28) Organic (86) Sulphur (93) Oxidized Sulphur
253/94(1) Lubricants (28) Organic (86) Sulphur (93) Oxidized Sulphur (94) Basic
253/95(1) Lubricants (28) Organic (86) Sulphur (93) Oxidized Sulphur (95) With Alcohols, Phenols or Nitrogen Compounds
253/96(1) Lubricants (28) Organic (86) Sulphur (96) Heavy Metal
253/97(1) Lubricants (28) Organic (86) Sulphur (97) Thioethers, Mercaptans, Esters, Acids, Salts
253/98(1) Lubricants (28) Organic (98) Phenolic Salts
253/99(1) Lubricants (28) Organic (99) Heavy Metal
253/100(1) Lubricants (28) Organic (100) Nitrogen
253/101(1) Lubricants (28) Organic (100) Nitrogen (101) Azo, Azino, Azomethine, N-Metal Bond
253/102(1) Lubricants (28) Organic (100) Nitrogen (102) Polymers from Unsaturated Compounds
253/103(1) Lubricants (28) Organic (100) Nitrogen (103) Nitrile, Cyano, Nitro, Nitroso
253/104(1) Lubricants (28) Organic (100) Nitrogen (104) Amide
253/105(1) Lubricants (28) Organic (100) Nitrogen (105) Amine
253/106(1) Lubricants (28) Organic (100) Nitrogen (105) Amine (106) Aromatic
253/107(1) Lubricants (28) Organic (107) Oxygen
253/108(1) Lubricants (28) Organic (107) Oxygen (108) Glyceride or Wax
253/109(1) Lubricants (28) Organic (107) Oxygen (109) Polymerized Fatty Acids
253/110(1) Lubricants (28) Organic (107) Oxygen (110) Polymers from Unsaturated Compounds
253/111(1) Lubricants (28) Organic (107) Oxygen (110) Polymers from Unsaturated Compounds (111) Terpolymers
253/112(1) Lubricants (28) Organic (107) Oxygen (110) Polymers from Unsaturated Compounds (112) From Ethers
253/113(1) Lubricants (28) Organic (107) Oxygen (110) Polymers from Unsaturated Compounds (113) From Hydrocarbons
253/114(1) Lubricants (28) Organic (107) Oxygen (110) Polymers from Unsaturated Compounds (114) From Acids or Esters
253/115(1) Lubricants (28) Organic (107) Oxygen (110) Polymers from Unsaturated Compounds (114) From Acids or Esters (115) Copolymers
253/116(1) Lubricants (28) Organic (107) Oxygen (116) Oxidized Hydrocarbons
253/117(1) Lubricants (28) Organic (107) Oxygen (117) Carboxylic Esters
253/118(1) Lubricants (28) Organic (107) Oxygen (117) Carboxylic Esters (118) Carbonates
253/119(1) Lubricants (28) Organic (107) Oxygen (117) Carboxylic Esters (119) Polyesters and Complex Esters
253/120(1) Lubricants (28) Organic (107) Oxygen (117) Carboxylic Esters (120) From Polycarboxylic Acids
253/121(1) Lubricants (28) Organic (107) Oxygen (117) Carboxylic Esters (121) From Polyhydric Alcohols
253/122(1) Lubricants (28) Organic (107) Oxygen (122) Ethers
253/123(1) Lubricants (28) Organic (107) Oxygen (123) Aldehyde or Ketone
253/124(1) Lubricants (28) Organic (107) Oxygen (124) Alcohol or Phenol (Hydroxy)
253/125(1) Lubricants (28) Organic (107) Oxygen (125) Acid or Salts
253/126(1) Lubricants (28) Organic (126) Halogen
253/127(1) Lubricants (28) Organic (127) Hydrocarbon
253/128(1) Lubricants (28) Organic (127) Hydrocarbon (128) Polymers from Unsaturated Compounds
253/129(1) Lubricants (28) Organic (127) Hydrocarbon (129) Friedel-Crafts Condensation
253/130(130) Hydraulic Fluids
253/131(130) Hydraulic Fluids (131) Clutching Fluids (Electro Fluids)
253/132(130) Hydraulic Fluids (132) Damping Fluids
253/133(130) Hydraulic Fluids (133) Water Containing
253/134(130) Hydraulic Fluids (134) Inorganic
253/135(130) Hydraulic Fluids (135) Polymers from Unsaturated Compounds
253/136(130) Hydraulic Fluids (136) Phosphorus, Sulphur, Silicon, Nitrogen or Halogen
253/137(130) Hydraulic Fluids (137) Oxygen
253/138(130) Hydraulic Fluids (137) Oxygen (138) Glycerides
253/139(130) Hydraulic Fluids (137) Oxygen (139) Esters