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:
Jun. 01, 2004
Filed:
Feb. 19, 2002
Applicant:
Inventors:
Werner Bonrath, Freiburg, DE;
Detlef Eisenkraetzer, Penzberg, DE;
Valerie Enjolras, St. Jean Bonnefonds, FR;
Reinhard Karge, Staufen, DE;
Thomas Netscher, Bad Krozingen, DE;
Michael Schneider, Frick, CH;
Assignee:
Roche Vitamins, Inc., Parsippany, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 9/14 ; C12N 9/16 ; C12N 9/20 ; C12N 9/30 ;
U.S. Cl.
CPC ...
C12N 9/14 ; C12N 9/16 ; C12N 9/20 ; C12N 9/30 ;
Abstract
The present invention is a process for converting trimethylhydroquinone diacetate (TMHQ-DA) into trimethylhydroquinone-1-monoacetate (TMHQ-1-MA) by contacting TMHQ-DA with a lipase to effect an enzymatic monosaponification of the TMHQ-DA. Also provided are methods of making (all-rac)-&agr;-tocopherol and (all-rac)-&agr;-tocopherol acetate.