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:
Jan. 24, 2012
Filed:
Feb. 04, 2008
Frank G Eydoux, Saint Laurent d'Agny, FR;
Philippe Pu. F. Flores, Chassieu, FR;
Dominique Vichard, Versailles, FR;
Laurent Germanaud, Heyraux, FR;
Frank G Eydoux, Saint Laurent d'Agny, FR;
Philippe Pu. F. Flores, Chassieu, FR;
Dominique Vichard, Versailles, FR;
Laurent Germanaud, Heyraux, FR;
Elf Antar France, Puteaux, FR;
Abstract
The invention concerns a multifunctional additive enabling fuels to be operable in cold conditions, consisting of copolymers of at least a dicarboxylic compound with at least an olefin, and whereon are grafted nitrogenous functions and/or esters of general formula (1) wherein: Rand R, and Rand R, Rand Rare hydrogen or alkyl radicals, and x is selected among the amine salts and N-alkylpolyalkylenepolyamines and their monohydroxylated and polyhydroxylated derivatives, N-alkylpolyalkylenepolyamine alkylesters and esters, and alkylamines and N-alkylpolyalkylenepolyamines.