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:
Jul. 28, 1992
Filed:
Nov. 29, 1989
Applicant:
Inventors:
Pierre Terech, Saint Egreve, FR;
Jean-Marie Thiebaux, Corbas, FR;
Pierre Sanvi, Vernaison, FR;
Charles Grubner, Sainte Foix l'Argentiere, FR;
Assignee:
Elf France, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 332 ; 252 35 ; 252 38 ; 252 39 ; 252 41 ;