C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
260/134
C10M 135/02 (2006.01) C08F 2/38 (2006.01) C08F 8/34 (2006.01)
Patent
CA 1151157
ABSTRACT OF THE DISCLOSURE An improved process for preparing a sulfur-containing composition useful as a lubricant addittve wherein an organic carboxylic acid is sulfurized in the form of the acid or an ester or amide derivative thereof is disclosed. The improvement comprises using as the acid or acid portion of an ester or amide derivative, a carboxylic acid or mixture thereof obtained by telomerizing an ethylenically unsaturated compound under inert conditions in a reaction medium containing from about 10-3 to about 10-10 moles per liter of an at least trivalent manganese compound and one or more carbonyl compounds having at least one hydrogen atom on an alpha-carbon atom wherein at least 60 percent by weight of the total carbonyl-containing compound content is present as carboxylic anhydride and the molar ratio of the reacted quantity of ethylenicalty unsaturated compounds to the at least trivalent manganese compound is at least 4.
368874
de Klein Willem J.
Vis Jan
Akzona Incorporated
Swabey Ogilvy Renault
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