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:
Nov. 08, 1994
Filed:
Oct. 25, 1993
Applicant:
Inventors:
Gary W Wiggins, Willowick, OH (US);
Edward J Konzman, Eastlake, OH (US);
James N Vinci, Mayfield Heights, OH (US);
Patricia R Todd, Chardon, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 33 ; 252 18 ; 252 41 ; 252 25 ; 252 498 ;
Abstract
Improved grease compositions comprise a major amount of an oil based metal soap thickened base grease selected from the group consisting of complex and failed complex greases, at least one sulfur and phosphorus containing composition alone or together with an overbased metal salt of an organic acid and a hydrocarbyl phosphite, in amounts sufficient to increase the dropping point of the base grease, as measured by ASTM Procedure D-2265 by at least 15.degree. C., the phosphorus and sulfur compound being described in detail herein.