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. 25, 2012
Filed:
Nov. 24, 2006
Dietmar Haering, Neu-Edingen, DE;
Lidcay Herrera Taboada, Oostende, BE;
Bernhard Hauer, Fussgoenheim, DE;
Thomas Friedrich, Darmstadt, DE;
Alexander Goethlich, Mannheim, DE;
Dietmar Haering, Neu-Edingen, DE;
Lidcay Herrera Taboada, Oostende, BE;
Bernhard Hauer, Fussgoenheim, DE;
Thomas Friedrich, Darmstadt, DE;
Alexander Goethlich, Mannheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Provided is a process for esterifying or transesterifying side chains in polymers, which involves esterifying or transesterifying the carboxyl group having the Rradical of a copolymer obtained by polymerizing a (meth)acrylate of formula (I), and a monomer of formula (II): wherein Rand Rare independently H or CH, Rand Rare independently H or an alkyl radical which is optionally substituted by functional groups such as acryloyl, ether, amino, epoxy, halogen or sulfonic acid groups, and n is from 1 to 40, with an alcohol in the presence of an enzyme which catalyzes the esterifying or transesterifying. Further provided is the esterified or transesterified polymer product and its use.