C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/480.3
C07C 69/602 (2006.01) C10L 1/19 (2006.01) C10L 1/198 (2006.01) C10M 129/76 (2006.01) C10M 129/95 (2006.01) C10M 145/38 (2006.01)
Patent
CA 1148170
A PROCESS FOR THE PRODUCTION OF OIL-SOLUBLE POLYOL ESTERS OF DICARBOYXLIC ACID MATERIALS IN THE PRESENCE OF A METAL SALT OF A HYDROXY AROMATIC COMPOUND ABSTRACT OF THE DISCLOSURE Oil-soluble polyol ester reaction products of C6- C10,000 hydrocarbon substituted C4-C10 dicarboxylic acid mater- ials, e.g. alkenyl succinic anhydride, have been readily pro- duced under solution reaction conditions characterized by con- ducting said reaction in the presence of at least a filtration suppressing insolubles reducing amount of a hydrocarbon-soluble metal salt of a hydroxy aromatic compound, e.g. an alkaline earth metal alkyl phenate or naphtholate, preferably an over- based calcium sulfurized phenate, whereby the filtration sup- pressing insolubles resulting from said reaction is markedly re- duced to less than 1 vol. %, the product solution haze is less than 30 nephelos and as a consequence thereof the filtration of the reaction product solution is facilitated.
352448
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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