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:
Oct. 03, 2000
Filed:
Apr. 21, 1997
Applicant:
Inventors:
Raymond Frederick Watts, Long Valley, NJ (US);
David Edward Gindelberger, Bedminster, NJ (US);
Assignee:
Exxon Chemical Patents Inc., Linden, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508291 ; 508408 ; 508433 ; 252 785 ;
Abstract
The anti-shudder durability of power transmitting fluids, particularly automatic transmission fluids, is improved by incorporating a combination of alkyl phosphonates, ashless dispersants and metallic detergents.