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21.
公开(公告)号:US4956118A
公开(公告)日:1990-09-11
申请号:US195099
申请日:1988-05-17
申请人: Sean P. O'Connor
发明人: Sean P. O'Connor
IPC分类号: C07D237/18 , C07D239/58 , C07D241/18 , C10M135/32 , C10N30/06 , C10N30/12 , C10N40/25
CPC分类号: C10M135/32 , C07D237/18 , C07D239/58 , C07D241/18 , C10M2219/09
摘要: Compounds suitable for use as extreme pressure (EP)/anti-wear (AW) agents in lubricating oil compositions, which compounds have the formula:R.sup.1 --S--X--S--S--R (I)whereinR.sup.1 is either R--S-- or hydrogen,R is independently either hydrocarbyl or substituted hydrocarbyl, andX comprises a heterocyclic ring having six atoms of which two are nitrogen atoms.
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公开(公告)号:US4876021A
公开(公告)日:1989-10-24
申请号:US238336
申请日:1988-08-26
申请人: Sean P. O'Connor
发明人: Sean P. O'Connor
IPC分类号: C10M135/20 , C10M135/12 , C10M135/26 , C10N30/06 , C10N40/25
CPC分类号: C10M135/12 , C10M135/26 , C10M2219/06 , C10M2219/082 , C10N2230/12 , C10N2270/02
摘要: The present invention provided a finished lubricating oil base stock and an extreme pressure/anti-wear improving amount of a bis acyl-or bis aroyldisulphide of the formula ##STR1## wherein R is independently a hydrocarbyl or substituted hydrocarbyl group.
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