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:
Aug. 23, 2016
Filed:
May. 31, 2010
Applicants:
Norbert Herfert, Altenstadt, DE;
Ulrich Hammon, Mannheim, DE;
Renate Wuestefeld, Speyer, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/47 (2006.01); C09K 15/08 (2006.01); C08K 3/04 (2006.01); C07C 51/50 (2006.01); C08K 5/13 (2006.01);
U.S. Cl.
CPC ...
C07C 51/47 (2013.01); C07C 51/50 (2013.01); C08K 5/13 (2013.01);
Abstract
A process for replacing the stabilization of (meth)acrylic monomers, wherein phenothiazine is removed from phenothiazine-containing (meth)acrylic monomers by adsorption on activated carbon, and then a moderately active polymerization inhibitor is optionally added.