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. 08, 1997
Filed:
Mar. 22, 1995
Applicant:
Inventors:
Jean-Francedilla.ois Argillier, Suresnes, FR;
Annie Audibert, Le Vesinet, FR;
Pierre Marchand, Orgeval, FR;
Andr e Demoulin, Beauvechain, BE;
Michel Janssen, Wezelbeej-Oppem, BE;
Assignee:
Institut Francais Du Petrole, Rueil-Malmaison, FR;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
508503 ; 507218 ; 507239 ; 507244 ;
Abstract
The present invention relates to an optimized lubricating composition including, in useful amount, an ester and a fatty acid, and optionally, the invention also relates to a well fluid including the lubricating composition according to the invention and the use of the composition for controlling the lubricity of a water-base fluid.