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. 29, 2000
Filed:
Feb. 27, 1998
Applicant:
Inventor:
John W Roberts, McLean, VA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
508363 ; 508382 ; 508485 ; 508591 ;
Abstract
The invention relates to an extreme pressure lubricant composition, in per cent by weight, which includes from about 25 to about 37 percent polyalphaolefin, from about 1 to about 5 percent pentaerythritol ester of a fatty acid, from about 20 to about 35 percent of said methyl ester, from about 1 to about 10 percent of said copolymer of ethylene and propylene, from about 22 to about 32 percent of said bismuth salt and from about 1 to about 10 percent antimony diakyldithiocarbamate.