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U.S. Department of Energy
Office of Scientific and Technical Information

Dispersant additives derived from lactone modified amido-amine adducts

Patent ·
OSTI ID:6008353

This patent describes a lactone modified dispersant additive. It comprises one adduct of 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, an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound.

Assignee:
Exxon Chemical Patents, Linden, NJ (USA)
Patent Number(s):
A; US 4963275
Application Number:
PPN: US 7-178099
OSTI ID:
6008353
Country of Publication:
United States
Language:
English