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:
Sep. 16, 1980
Filed:
Jan. 26, 1979
Applicant:
Inventors:
Assignees:
Rhone-Poulenc Industries, Paris, FR;
l'Institut Francais du Petrole, Rueil Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 525178 ; 525192 ; 525205 ; 525293 ; 525375 ; 525421 ;
Abstract
Novel lubricating oil polymer additives are obtained by the following:
Brulet, Daniel. (1980). Polymers bearing groups derived from n-substituted lactams and their use (U.S. Patent No. 4222882). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4222882
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile