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. 30, 2015
Filed:
Oct. 13, 2011
Applicants:
Michael A. Curtis, Houston, TX (US);
David A. Flosser, Missouri City, TX (US);
Jamie J. Juliette, Houston, TX (US);
Philippe P. Maillot, Kingwood, TX (US);
Donna Williams, Pearland, TX (US);
Inventors:
Michael A. Curtis, Houston, TX (US);
David A. Flosser, Missouri City, TX (US);
Jamie J. Juliette, Houston, TX (US);
Philippe P. Maillot, Kingwood, TX (US);
Donna Williams, Pearland, TX (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/48 (2006.01); C07C 67/60 (2006.01);
U.S. Cl.
CPC ...
C07C 67/48 (2013.01); C07C 67/60 (2013.01);
Abstract
This invention provides a process for reducing biacetyl in alpha-, beta-unsaturated carboxylic acid esters, particularly in acrylic or methacrylic (hereinafter '(meth)acrylic') esters, which comprise low levels of weak acid.