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:
Sep. 08, 2015
Filed:
May. 18, 2010
Applicants:
Jean-michel Paul, Metz, FR;
Boris Tonnelier, Guerting, FR;
Francis Augustin, Lindre-Basse, FR;
Inventors:
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/03 (2006.01); B01J 31/12 (2006.01);
U.S. Cl.
CPC ...
B01J 31/122 (2013.01); B01J 31/12 (2013.01); C07C 67/03 (2013.01); B01J 2231/49 (2013.01); B01J 2531/42 (2013.01);
Abstract
The present invention relates to a composition including a dialkyl tin oxide, such as DBTO, which can be used as a transesterification catalyst for the synthesis of (meth)acrylic esters. The invention also relates to a method for the synthesis of (meth)acrylic esters by transesterification in the presence of said composition.