LIQUID ASHLESS ANTIOXIDANT ADDITIVE FOR LUBRICATING COMPOSITIONS Russian patent published in 2018 - IPC C10M141/06 C10M169/04 C10M133/10 C10M133/40 C10N30/10 

Abstract RU 2660335 C1

FIELD: chemistry.

SUBSTANCE: present invention relates to a lubricating composition comprising at least 90 % by weight of a base oil and a liquid antioxidant composition comprising the following components, expressed in terms of weight % of the lubricant composition: (1) solid alkylated phenyl-alpha-naphthylamine in an amount of 0.01–1.0 % by weight, (2) alkylated diphenylamine derivative of triazole, tolitriazole or benzotriazole in an amount of 0.01 to 0.5 % by weight, and (3) methylenebis(di-n-butyldithiocarbamate) in an amount of 0.01–1.0 % by weight.

EFFECT: improved antioxidant protection.

9 cl, 5 tbl, 1 dwg, 5 ex

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RU 2 660 335 C1

Authors

Yao, Junbing

Gatto, Vincent

Dates

2018-07-10Published

2015-08-14Filed