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:
Nov. 05, 2019
Filed:
Apr. 12, 2016
Applicant:
Lucite International Uk Limited, Billingham, GB;
Inventors:
Graham Ronald Eastham, Redcar, GB;
David William Johnson, Redcar, GB;
Mark Waugh, Redcar, GB;
Jonathan Ainsley Iggo, Liverpool, GB;
Michael Beaumont, Liverpool, GB;
Assignee:
LUCITE INTERNATIONAL UK LIMITED, Billingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/353 (2006.01); C07C 67/343 (2006.01); C07C 57/04 (2006.01); C07C 69/54 (2006.01);
U.S. Cl.
CPC ...
C07C 51/353 (2013.01); C07C 57/04 (2013.01); C07C 67/343 (2013.01); C07C 69/54 (2013.01); C07C 2523/02 (2013.01); C07C 2527/167 (2013.01); C07C 2527/232 (2013.01);
Abstract
The present invention relates to a process for the production of an ethylenically unsaturated carboxylic acid or ester, preferably α,ß ethylenically unsaturated carboxylic acids or esters, by the liquid phase reaction of formaldehyde or a suitable source thereof with a non-cyclic carboxylic acid ester in the presence of a basic metal salt.