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Class Information
Number: 508/543
Name: Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions > Lubricants or separants for moving solid surfaces and miscellaneous mineral oil compositions (e.g., water containing, etc.) > Compound of indeterminate structure, prepared by reacting an organic nitrogen compound of known structure
Description: Compositions which contain a compound of indeterminate structure prepared by the reaction of an organic nitrogen compound of known structure.


Sub-classes under this class:

Class Number Class Name Patents
508/544 An aldehyde is reacted with the organic nitrogen compound 10


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7452851 Lubricant compositions Nov. 18, 2008
7413682 Antioxidants and methods of making antioxidants Aug. 19, 2008
6750183 Lubricating oil composition Jun. 15, 2004
6686321 Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them Feb. 3, 2004
6562765 Oil compositions having improved fuel economy employing synergistic organomolybdenum components and methods for their use May. 13, 2003
6472353 Dispersant-viscosity improvers for lubricating oil compositions Oct. 29, 2002
6426324 Lubricant composition Jul. 30, 2002
6300289 Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them Oct. 9, 2001
6187721 Lubricant for use in diesel engines Feb. 13, 2001
6130190 Liquid crystal and surfactant containing lubricant compositions Oct. 10, 2000
6103676 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products Aug. 15, 2000
6083888 Dispersant viscosity index improvers Jul. 4, 2000
6030929 Mixed carboxylic compositions and derivatives and use as lubricating oil and fuel additives Feb. 29, 2000
5874389 Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them Feb. 23, 1999
5854186 Lubricating oil dispersants derived from heavy polyamine Dec. 29, 1998
5843873 Lubricants and fluids containing thiocarbamates and phosphorus Dec. 1, 1998
5814586 Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them Sep. 29, 1998
5665126 Adducts of quinone compounds and amine-containing polymers for use in lubricating oils and in fuels Sep. 9, 1997
5663126 Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them Sep. 2, 1997
5639718 Multifunctional viscosity modifiers for lubricating oil compositions with improved dispersancy and antioxidancy derived from adducts of quinone Jun. 17, 1997
5562851 Sulfur-containing carbonate reaction products as lubricating oil antiwear additives Oct. 8, 1996
5534174 Graft copolymer comprising a star-shaped polymer and an n-allyl amide Jul. 9, 1996
5523008 Polar grafted polyolefins, methods for their manufacture, and lubricating oil compositions containing them Jun. 4, 1996
5523009 Fibrous polyurea grease Jun. 4, 1996
5474693 Modifiers for improving clarity of multifunctional VI improver oil compositions Dec. 12, 1995
5427703 Process for the preparation of polar lubricating base oils Jun. 27, 1995
5356999 Multifunctional viscosity index improvers based on polymers containing sulfonamides Oct. 18, 1994
5354487 Solid lubricant and composition Oct. 11, 1994
5182037 Phosphorus- and/or nitrogen-containing derivatives of sulfur-containing compounds, lubricant, fuel and functional fluid compositions Jan. 26, 1993
5075383 Dispersant and antioxidant additive and lubricating oil composition containing same Dec. 24, 1991
4966721 N-N'-dihydrocarbyl substituted phenylene diamine-derived condensation products as antioxidants and lubricant compositions Oct. 30, 1990
H826 Lubricant compositions containing a viscosity index improver having dispersant properties Oct. 2, 1990
4948524 Dispersant anti-oxidant VI improver and lubricating oil composition containing same Aug. 14, 1990
4941985 Dispersant/antioxidant VII lubricant additive Jul. 17, 1990
4933099 Oil compositions containing ethylene copolymers Jun. 12, 1990
4915858 Nitrogen containing anti-oxidant compositions Apr. 10, 1990
4889646 Nitrogen containing dispersants treated with mineral acids Dec. 26, 1989
4824601 Liquid antioxidant produced by alkylating diphenylamine with a molar excess of diisobutylene Apr. 25, 1989
4772406 Olefinic hydrocarbon modification with sulfur imides Sep. 20, 1988
4758362 Carbamate additives for low phosphorus or phosphorus free lubricating compositions Jul. 19, 1988
4752416 Phosphite ester compositions, and lubricants and functional fluids containing same Jun. 21, 1988
4747971 Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric acid adducts May. 31, 1988
4713190 Modified carboxylic amide dispersants Dec. 15, 1987
4663061 Metal-working oil composition May. 5, 1987
4640788 Hydrocarbon compositions containing polyolefin graft polymers Feb. 3, 1987
4548722 Dispersant lubricating oil additives Oct. 22, 1985
4519929 Lubricating oil composition containing N-allyl amide graft copolymers May. 28, 1985
4483777 Stability improvers for water-in-oil emulsion Nov. 20, 1984
4477362 Method for preparing nitrogen- and oxygen-containing compositions _useful as lubricant and fuel additives Oct. 16, 1984
4427834 Dispersant-VI improver product Jan. 24, 1984

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