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:
Apr. 13, 1993
Filed:
Feb. 27, 1992
Applicant:
Inventors:
Elisabeth Schoch, Rambouillet, FR;
Christian Collette, Paris, FR;
Assignee:
ELF Atochem S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 336 ; 252 34 ; 252 51 ;
Abstract
The invention relates to the salts formed by a fatty amine with a mixture containing at least one monocarboxylic acid R.sub.F (CH.sub.2).sub.10 COOH and at least one dicarboxylic acid of formula: ##STR1## where R.sub.F denotes a C.sub.4 -C.sub.16 perfluoroalkyl radical, wherein these salts can be employed as antiwear additives for lubricants.