C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/102, 400/201
C10M 143/12 (2006.01) C08F 8/32 (2006.01) C08F 287/00 (2006.01) C10M 149/06 (2006.01) C10M 159/12 (2006.01)
Patent
CA 1267450
L-2240-R -1- Title: OIL-SOLUBLE REACTION PRODUCTS OF AN ACYLATED REACTION PRODUCT, A POLYAMINE, AND A MONO-FUNCTIONAL ACID ABSTRACT Oil-soluble compositions, useful as dispersant viscosity modifiers, are formed by the reaction product of an acylating product (D) a (F) polyamine, and a (G) mono-functional acid. The compositions can be prepared in solvent such as a hydrocarbon oil or in the absence of a solvent. TECHNICAL FIELD The present invention relates to reacting polyamines and mono-functional acids with an acylating block copolymer. BACKGROUND Heretofore various solution reactions have been carried out between a polymer containing unsaturation and an anhydride. For example, U.S. Patent No. 2,524,424 to Buret relates to the treatment of rubberlike polymers from butadiene hydrocarbons with carboxylic acid anhydrides.
525652
Hayashi Katsumi
Hopkins T. Robert
Scharf Curtis R.
Ridout & Maybee Llp
The Lubrizol Corporation
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