C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/08 (2006.01) C10M 129/10 (2006.01) C10M 129/70 (2006.01) C10M 135/04 (2006.01) C10M 141/02 (2006.01) C10M 161/00 (2006.01)
Patent
CA 2468527
This invention is directed to an antioxidant system for use in lubricating oils comprising sulfurized isobutylene and hindered phenols that provides enhanced oxidation resistance and is particularly useful in natural gas fueled engines, the method for making this antioxidant system, lubricating oils comprising the antioxidant system and methods for lubricating engines using lubricating oil comprising this antioxidant system.
L'invention concerne un système antioxydant à utiliser pour des huiles lubrifiantes qui comprend de l'isobutylène sulfuré et des phénols encombrés, permettant d'obtenir une résistance accrue à l'oxydation et qui est particulièrement utile pour des moteurs à carburant utilisant du gaz naturel. L'invention concerne également un procédé de production dudit système antioxydant, des huiles lubrifiantes comprenant ledit système antioxydant, et des procédés de lubrification de moteurs qui utilisent une huile lubrifiante comprenant ledit système antioxydant.
Logan Mark R.
Palazzotto John D.
Chevron Oronite Company Llc
Sim & Mcburney
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