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:
Aug. 04, 1992
Filed:
Apr. 24, 1991
Applicant:
Inventors:
Maria M Kapuscinski, Carmel, NY (US);
Theodore E Nalesnik, Wappingers Falls, NY (US);
Robert T Biggs, Walden, NY (US);
Raymond C Schlicht, Fishkill, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 50 ; 5253317 ;
Abstract
Multifunctional viscosity index improvers for lubricating oils containing olefin copolymers which have pendant groups derived from vinylbenzyl chloride and N-phenyl-p-phenylene diamine.
Kapuscinski, Maria. (1992). Multifunctional viscosity index improver containing units from (U.S. Patent No. 5135671). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5135671
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile