PETROLEUMOLJEKOMPOSITION INNEHALLANDE EN KINON SOM LJUSSTABILISATOR

摘要

1502619 Lubricants SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 6 Oct 1975 [10 Dec 1974] 53453/74 Heading C5F A hydroprocessed mineral lubricating oil (vacuum distillate or short residue) is stabilized by minor proportions of two additives in combination: (1) an amine where R 1 is an organic group and each R 2 and R 3 is H or an organic group, and (2) a singlet oxygen quencher selected from a carotene, an aliphatic amine and a heterocyclic amine.