Lubricating oil compositions and concentrates and the use...

Details Lubricating oil compositions and concentrates and the use... Lubricating oil compositions and concentrates and the use...

C - Chemistry, Metallurgy

10

M

C10M 137/10 (2006.01) C10M 133/18 (2006.01) C10M 137/16 (2006.01) C10M 141/08 (2006.01) C10M 141/10 (2006.01) C10M 141/12 (2006.01) C10M 159/16 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2056340

Case EI-6218+ LUBRICATING OIL COMPOSITIONS AND CONCENTRATES AND THE USE THEREOF Abstract of the Disclosure Oleaginous compositions and additive concentrates therefor having enhanced performance characteristics comprise at least a) one or more oil-soluble metal dihydrocarbyl di- thiophosphates or dithiocarbamates; and b) one or more oil- soluble additive compositions formed by heating concurrently or in any sequence at least one ashless dispersant which contains basic nitrogen and/or at least one hydroxyl group with (i) at least one inorganic phosphorus acid or anhydride, or at least one partial or total sulfur analog thereof, or any combination of the foregoing; or (ii) at least one water-hy- drolyzable organic phosphorus compound and water; and (iii) at least one boron compound; such that a phosphorus- and boron- containing liquid composition is formed, and from which ex- cessive water, if present, has been removed at least during or after heating with (ii), if used.

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