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. 13, 1991
Filed:
May. 29, 1987
Applicant:
Inventors:
Robert Thermet, Plaisir, FR;
Marc Hermant, Cormeilles en Parisis, FR;
Jean-Michel Martin, Ecully, FR;
Dominique Basset, Poissy, FR;
Assignee:
Atochem, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 51 ; 252 / ; 252 427 ; 252 334 ;
Abstract
Methods for improving the anti-friction and wear-reducing properties of lubricating oils by adding to such oils polyfluoro chain-containing amines of the formula ##STR1## or the commercially available mixtures of such materials, wherein n is an integer from 1 to 20, a is two or four, R.sub.2 is hydrogen or a lower alkyl group, and R.sub.1 and Z are: