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:
Oct. 03, 2017
Filed:
Feb. 24, 2014
Applicant:
Arkema France, Colombes, FR;
Inventors:
Alain F. Riondel, Saint Pathus, FR;
Coralie Graire, Grezieu-la-Varenne, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/03 (2006.01); C07C 67/54 (2006.01);
U.S. Cl.
CPC ...
C07C 67/03 (2013.01); C07C 67/54 (2013.01);
Abstract
The invention relates to the industrial production of highly pure 2-propylheptyl acrylate with a high yield according to a process by transesterification, preferably in semi-continuous mode. The process according to the invention uses ethyl titanate in solution in 2-propylheptanol or 2-propylheptyl titanate as transesterification catalyst, and implements a purification sequence comprising a single distillation column and a film evaporator.