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:
Mar. 01, 2005
Filed:
Sep. 26, 2001
Despina Vassilakis, Lyons, FR;
Robert Leger, Taluyers, FR;
Alain Forestiere, Vernaison, FR;
Jean Gaillard, Saint Martin d'Heres, FR;
Despina Vassilakis, Lyons, FR;
Robert Leger, Taluyers, FR;
Alain Forestiere, Vernaison, FR;
Jean Gaillard, Saint Martin d'Heres, FR;
Institut Francais du Pétrole, Rueil-Malmaison, FR;
Abstract
A middle petroleum distillate composition containing a major proportion of middle petroleum distillate and a minor proportion of an additive in a sufficient amount to limit the settling speed of paraffins contained in said middle distillate. Said additive consists of a product resulting from a reaction between at least one aliphatic dicarboxylic compound and at least one primary amine functional compound of general formula (I), wherein Ris a monovalent saturated aliphatic radical, Z is selected from —NR'— groupings in which R′ is a hydrogen atom or a monovalent saturated aliphatic radical, n is an integer between 2 and 4, and m is an integer between 1 and 4; said primary amine functional compound being used in a ratio of 0.3-0.8 mols per mol of said dicarboxylic compound.