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. 10, 1993
Filed:
Jul. 30, 1992
Applicant:
Inventors:
Jacques Garapon, Lyon, FR;
Roger Bregent, Oinville S/Montcient, FR;
Remi Touet, Saint Egreve, FR;
Philippe Mulard, St. Pierre de Chandieu, FR;
Pierre Schmelzle, St. Julien Molin Molette, FR;
Assignees:
Institut Francais du Petrole, Rueil Malmaison, FR;
Elf France, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44348 ; 44347 ; 548520 ; 548546 ; 548547 ;
Abstract
Polynitrogen compound having two terminal cycles of the imide type, its preparation by conventional organic chemistry methods and its use as an additive for engine fuel. This compound complies with the general formula (I): ##STR1## in which R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are as set forth in the specification.