The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 1980
Filed:
Aug. 17, 1978
Applicant:
Inventors:
Robert L Elliott, Scotch Plains, NJ (US);
Won R Song, Maplewood, NJ (US);
Assignee:
Exxon Research & Engineering Co., Florham Park, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C08L / ;
U.S. Cl.
CPC ...
252 / ; 252 50 ; 252 / ;
Abstract
An ene adduct and adduct derivatives of a C.sub.3 -C.sub.24 ethylenically unsaturated nitrogen-containing reactant, e.g. acrylonitrile, and a copolymer of ethylene, at least one C.sub.3 to C.sub.50 alpha-monoolefin and at least one non-conjugated diene, said adduct containing from about 0.005 to 7% by weight nitrogen and having a number average molecular weight of from about 1000 to 500,000, in oil-soluble form have utility as a multi-functional V.I. improver for lubricating oils.