Copper salts of succinic anhydride derivatives

Details Copper salts of succinic anhydride derivatives Copper salts of succinic anhydride derivatives

C - Chemistry, Metallurgy

07

C

253/99, 260/519.

C07C 57/13 (2006.01) C07D 207/412 (2006.01) C10M 129/42 (2006.01) C10M 133/16 (2006.01) C10M 139/00 (2006.01)

Patent

CA 1236109

- 32 - Abstract Lubricant antioxidant composition comprising a copper salt of a substituted succinic anhydride derivative containing a succinic anhydride derivative group which is Image , or - 33 - Image Each R may be independently hydrogen or a hydrocarbon- based group containing up to about 18 carbon atoms. At least one R is hydrogen. R1 is a lower alkyl radical. Each R1 is independently hydrogen or a hydrocarbon- based group containing up to 27 carbon atoms. The substituted succinic anhydride derivative contains a substituent group which is a hydrocarbon-based group. The total number of carbon atoms in said substituent group and said R' groups is no more than 35.

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