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:
May. 22, 2001
Filed:
Jun. 11, 1998
Applicant:
Inventors:
Andreas Muheim, Zürich, CH;
Bruno Müller, Dübendorf, CH;
Thomas Münch, Illnau, CH;
Markus Wetli, Forch, CH;
Assignee:
Givaudan Roure (International) SA, Vernier-Geneve, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 7/24 ;
U.S. Cl.
CPC ...
C12P 7/24 ;
Abstract
A microbiological process for producing vanillin and other useful products from ferulic acid is disclosed. Vanillin and guaiacol are recovered from the process using a differential pH extraction where the guaiacol is recovered at a pH of greater than 9 and the vanillin is recovered at a pH of from about 5 to about 8.