Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic -co- compound
Patent
1994-11-14
1998-02-03
Johnson, Jerry D.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic -co- compound
508574, C10M15922
Patent
active
057144435
ABSTRACT:
An additive concentrate suitable for incorporation into a into a finished lubricating oil composition, the additive concentrate comprising: (a) a lubricating oil; (b) a lubricating oil soluble sulphurised alkaline earth metal hydrocarbyl phenate modified by incorporation of from greater than 2 to 35% by weight based on the weight of the composition of either (i) at least one carboxylic acid having formula (I), wherein R is C.sub.10 to C.sub.24 alkyl or alkenyl group and R.sup.1 is either hydrogen, a C.sub.1 to C.sub.4 alkyl group or a --CH.sub.2 --COOH group, or an anhydride, acid chloride or ester thereof or (ii) a di- or polycarboxylic acid containing from 36 to 100 carbon atoms or an anhydride, acid chloride or ester thereof, the composition having a TBN greater than 300.
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Cane Charles
Crawford John
O'Connor Sean Patrick
BP Chemicals (Additives) Limited
Johnson Jerry D.
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