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:
Mar. 24, 2009
Filed:
Oct. 02, 2003
Reinhold Öhrlein, Rheinfelden-Herten, DE;
Gabriele Baisch, Binzen, DE;
Kai-uwe Schöning, Oberwil, CH;
Jemima Schmidt, Schopfheim, DE;
Sandra Franziska Mayer, Hetzendorf, AT;
Reinhold Öhrlein, Rheinfelden-Herten, DE;
Gabriele Baisch, Binzen, DE;
Kai-Uwe Schöning, Oberwil, CH;
Jemima Schmidt, Schopfheim, DE;
Sandra Franziska Mayer, Hetzendorf, AT;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The present invention relates to an improved process for the preparation of phenolic carboxylic acid derivatives catalysed by biocatalytic esterification, transesterification or amidation of a corresponding lower alkyl ester. Biocatalysis is performed in the presence of suitable enzymes, e.g. hydrolases, especially esterases, amidases, lipases and proteases.