Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Compound of indeterminate structure – prepared by reacting a...
Patent
1997-12-09
2000-08-22
Howard, Jacqueline V.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Compound of indeterminate structure, prepared by reacting a...
508231, 508454, 5253261, 525375, 525293, C10M14500, C10M14900
Patent
active
061072575
ABSTRACT:
A novel additive comprising a highly grafted, multi-functional olefin copolymer comprising a graft and amine-derivatized copolymer prepared from ethylene and at least one C.sub.3 to C.sub.23 alpha-monoolefin and, optionally, a polyene, wherein the copolymer of ethylene and at least one C.sub.3 to C.sub.23 alpha-monoolefin has grafted thereon from 0.3 to 0.75 carboxylic groups per 1000 number average molecular weight units of olefin copolymer and wherein the olefin copolymer has a number average molecular weight of between 20,000 and 150,000, and lubricating oil concentrates and compositions containing the same are provided.
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Devlin Mark Thomas
Growcott Peter
Olivier Errol J.
Rees Mark
Valcho Joseph J.
Ethyl Corporation
Hamilton Thomas
Howard Jacqueline V.
Rainear Dennis H.
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