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:
May. 28, 1985
Filed:
Feb. 19, 1982
Applicant:
Inventors:
Joseph P O'Brien, Kirkwood, MO (US);
Andrew G Papay, Manchester, MO (US);
Assignee:
Edwin Cooper, Inc., St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 44 62 ; 44 71 ; 525296 ;
Abstract
Lubricating oil dispersancy is improved by adding to the oil a product made by grafting an N-allyl amide (e.g. N,N-diallyl formamide) to an olefin polymer having a molecular weight of about 500-500,000 (e.g. ethylene/propylene/diene copolymer).
Quick Actions:
O'Brien, Joseph. (1985). Lubricating oil composition containing n-allyl amide graft copolymers (U.S. Patent No. 4519929). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4519929
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile