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Class Information
Number: 508/234
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 a heterocyclic compound of known structure; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (oxygen, sulfur, selenium, or tellurium) > The heterocyclic compound reactant contains a carboxylic acid anhydride ring > An additional reactant is an alkadiene polymer > The alkadiene polymer is a terpolymer of ethylene, monoolefin, and alkadiene
Description: Compositions wherein a terpolymer of ethylene, monoolefin and alkadiene is the alkadiene polymer additional reactant.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7521141 |
Innovative method for the preparation of proton conducting nanopolymeric membranes for use in fuel cells or in catalytic membrane reactors |
Apr. 21, 2009 |
| 5789355 |
Low volatility lubricating compositions |
Aug. 4, 1998 |
| 5674819 |
Carboxylic compositions, derivatives,lubricants, fuels and concentrates |
Oct. 7, 1997 |
| 5556923 |
Continuous process for producing adducted EPM or EPDM oil solution |
Sep. 17, 1996 |
| 5356999 |
Multifunctional viscosity index improvers based on polymers containing sulfonamides |
Oct. 18, 1994 |
| 5314632 |
Combining dispersant viscosity index improver and detergent additives for lubricants |
May. 24, 1994 |
| 5264139 |
Antioxidant dispersant antiwear VI improver additive and lubricating oil composition containing same |
Nov. 23, 1993 |
| 5264140 |
Antioxidant-dispersant VI improver additive and lubricating oil composition containing same |
Nov. 23, 1993 |
| 5188745 |
Viton seal compatible dispersant and lubricating oil composition containing same |
Feb. 23, 1993 |
| 5167845 |
Polymeric additives to enhance anti-wear, anti-oxidancy, and dispersancy in lubricants |
Dec. 1, 1992 |
| 5160446 |
Dispersant, VI improver and antioxidant additive, and lubricating oil composition containing same |
Nov. 3, 1992 |
| 5112508 |
VI improver, dispersant, and antioxidant additive and lubricating oil composition |
May. 12, 1992 |
| 5055213 |
Additives to lubricants resulting from the condensation of an alkylene polyamine with a copolymer containing vicinal carboxylic groups |
Oct. 8, 1991 |
| 4952328 |
Lubricating oil compositions |
Aug. 28, 1990 |
| 4737303 |
Sulfomaleation of organic molecules and polymers |
Apr. 12, 1988 |
| 4505834 |
Lubricating oil compositions containing graft copolymer as viscosity index improver-dispersant |
Mar. 19, 1985 |
| 4382007 |
Novel dispersant-VI improvers and lubricating oil containing same |
May. 3, 1983 |
| 4357250 |
Nitrogen-containing terpolymer-based compositions useful as multi-purpose lubricant additives |
Nov. 2, 1982 |
| 4320019 |
Multi-purpose additive compositions and concentrates containing same |
Mar. 16, 1982 |
| 4235731 |
Modified terpolymer dispersant - VI improver |
Nov. 25, 1980 |
| 4161452 |
Polyolefinic copolymer additives for lubricants and fuels |
Jul. 17, 1979 |
| 4160739 |
Polyolefinic copolymer additives for lubricants and fuels |
Jul. 10, 1979 |
| 4033889 |
Terpolymer dispersant - VI improver |
Jul. 5, 1977 |
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