C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 129/76 (2006.01) C09K 15/08 (2006.01) C09K 15/18 (2006.01) C10M 129/78 (2006.01) C10M 133/12 (2006.01) C10M 133/16 (2006.01) C10M 141/06 (2006.01) C10M 169/04 (2006.01) G02B 6/44 (2006.01)
Patent
CA 2120888
A lubricating oil composition is herein disclosed which comprises as the main compounds, (A) a base oil comprising a mineral oil or a synthetic oil; (B) a hindered phenol compound represented by the general formula (I) or (II) Image wherein m is an integer of 1 to 5; (C) an alkylated diphenylamine compound; and (D) a borated succinic acid imide compound. This lubricating oil compo- sition is excellent in heat resistance and oxidation sta- bility in a gaseous phase of the oil, and it stably func- tions for a long time as a traction drive oil or the like.
Hata Hitoshi
Machida Hisashi
Tsubouchi Toshiyuki
Idemitsu Kosan Co. Ltd.
Nsk Ltd.
Smart & Biggar
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