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:
Dec. 27, 1994
Filed:
Oct. 01, 1992
Applicant:
Inventors:
Assignee:
Ausimont S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 467 ; 252 484 ; 252 498 ; 252 499 ; 252 54 ; 72 42 ;
Abstract
The present invention relates to additives for lubricating oils and greases which endow said lubricating oils and greases extremely good performance characteristics under boundary lubrication conditions. Such additives are derivatives of monofunctional or difunctional perfluoropolyethers constituted by mercaptans, sulfides, disulfides, phosphines, phosphine-oxides and phosphoric acid triesters.