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:
Oct. 26, 2010
Filed:
Aug. 31, 2004
Applicants:
Ralph Haerter, Biel-Benken, CH;
Ulrike Lemke, Heidelberg, DE;
Alexander Radspieler, Grenzach-Wyhlen, DE;
Inventors:
Ralph Haerter, Biel-Benken, CH;
Ulrike Lemke, Heidelberg, DE;
Alexander Radspieler, Grenzach-Wyhlen, DE;
Assignee:
DSM IP Assets B.V., Te Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel process for the preparation of resveratrol and piceatannol and esters thereof involving a Heck type reaction is disclosed. Also disclosed are novel intermediates in that process.