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:
Jul. 07, 1998
Filed:
Jun. 13, 1997
Applicant:
Inventors:
Bruno Burdet, Baldersheim, FR;
August Ruttimann, Arlesheim, CH;
Jean-Marie Santer, St.Louis, FR;
Theodor Siegfried, Riehen, CH;
Assignee:
Roche Vitamins Inc., Parsippany, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558460 ;
Abstract
Novel processes and intermediates useful for the manufacture of the Wittig ester salts are disclosed. The Wittig ester salts are known as important C.sub.5 building blocks for the manufacture of various polyenecarboxylic acid esters in the field of carotenoid chemistry.
Burdet, Bruno. (1998). Method for the production of (3-alkoxycarbonyl-2-butenyl) (U.S. Patent No. 5777149). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5777149
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile