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:
Jul. 02, 2013
Filed:
Feb. 11, 2008
Applicants:
Hermann Bergmann, Singapore, SG;
Frank Hoefer, Bad Duerkheim, DE;
Maximilian Angel, Schifferstadt, DE;
Inventors:
Hermann Bergmann, Singapore, SG;
Frank Hoefer, Bad Duerkheim, DE;
Maximilian Angel, Schifferstadt, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a process for preparing a (meth)acrylic ester (F) of an N-hydroxyalkylated lactam, in which a cyclic N-hydroxyalkylated lactam (L): where the structural variables as defined herein, in the presence of at least one metal salt of C-C-alkoxides (A), is esterified with (meth)acrylic acid (S) or transesterified with at least one (meth)acrylic ester (D), in which the metal salt of C-C-alkoxides (A) used as a catalyst is added in the absence of solvents and completely at the start of the reaction.