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:
Jun. 13, 1995
Filed:
Jun. 01, 1994
Applicant:
Inventors:
Maria M Kapuscinski, Carmel, NY (US);
Theodore E Nalesnik, Wappingers Falls, NY (US);
Robert T Biggs, Walden, NY (US);
Benjamin J Kaufman, Hopewell Junction, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
525279 ; 525284 ; 525286 ; 525322 ; 252 47 ; 252 475 ;
Abstract
Multi-functional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated functional monomer containing phenothiazine.