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:
Feb. 03, 1987
Filed:
Apr. 29, 1985
Applicant:
Inventors:
Maria M Kapuscinski, Carmel, NY (US);
Christopher S Liu, Poughkeepsie, NY (US);
William P Hart, Beacon, NY (US);
Larry D Grina, Wappingers Falls, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 546 ; 252 / ; 525 74 ; 525 75 ;
Abstract
Lubricants of improved properties contain ethylene-propylene copolymers bearing graft units derived from, as a functional monomer, the reaction product of (i) an unsaturated aldehyde or ketone and (ii) a primary or secondary amine which contains at least one nitrogen atom in a heterocyclic ring.
Kapuscinski, Maria. (1987). Hydrocarbon compositions containing polyolefin graft polymers (U.S. Patent No. 4640788). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4640788
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile