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:
Jun. 16, 2020
Filed:
Sep. 28, 2016
Arkema France, Colombes, FR;
Thierry Briffaud, Bernay, FR;
Jean-Luc Couturier, Lyons, FR;
Jean-Luc Dubois, Millery, FR;
Jean-François Devaux, Soucieu en Jarrest, FR;
ARKEMA FRANCE, Colombes, FR;
Abstract
The present invention relates to a composition which comprises at least one α,ω-amino-alkanoic acid or ester and at least one alkanoic ester or acid, characterised in that: the α,ω-amino-alkanoic acid or ester has formula HN—(CH)COOR, wherein n=9 to 13 and R is an alkyl group or a hydrogen; the alkanoic ester or acid has formula R—COOR, wherein Ris a straight or branched alkyl group with formula CHor CH, wherein m=6 to 20 and Ris an alkyl group or a hydrogen; the molar ratio between the alkanoic acid(s) or ester(s) and the α,ω-amino-alkanoic acid(s) or ester(s) is in the range from 0.001 to 0.4%. The present invention also relates to novel methods for obtaining such a composition.