04963275 is referenced by 40 patents and cites 90 patents.

The present invention is directed to a lactone modified dispersant additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.8 (e.g., from about 1 to 4) dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl, and a C.sub.5 -C.sub.9 lactone material.

Title
Dispersant additives derived from lactone modified amido-amine adducts
Application Number
126405
Publication Number
4963275
Application Date
April 6, 1988
Publication Date
October 16, 1990
Inventor
Robert D Lundberg
Bridgewater
NJ, US
Antonio Gutierrez
Mercerville
NJ, US
Agent
J B Murray Jr
Assignee
Exxon Chemical Patents
NJ, US
IPC
C10M 105/56
C10M 105/22
View Original Source