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:
Dec. 29, 2015
Filed:
Jul. 27, 2012
Jean-luc Couturier, Lyons, FR;
Jean-luc Dubois, Millery, FR;
Jean-Luc Couturier, Lyons, FR;
Jean-Luc Dubois, Millery, FR;
ARKEMA FRANCE, Colombes, FR;
Abstract
A process for synthesizing a long-chain saturated α,ω-amino ester (acid) including from 6 to 17 carbon atoms, said process including a first step of cross metathesis between a first acrylic compound chosen from acrylonitrile, acrylic acid or an acrylic ester and a second monounsaturated compound including at least one nitrile, acid or ester trivalent function, one of these compounds including a nitrile function and the other an acid or ester function, in the presence of a ruthenium carbene metathesis catalyst, and a second step of hydrogenation of the monounsaturated nitrile-ester (acid) obtained, wherein said monounsaturated compound including at least one nitrile, acid or ester trivalent function has previously been subjected to a purification by thermal and/or chemical treatment.