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. 12, 2002
Filed:
Oct. 03, 2000
Applicant:
Inventors:
Giuseppe Barreca, Montevecchia, IT;
Vincenzo Cannata, Sasso Marconi, IT;
Assignee:
Zambon Group S.p.A., Vicenza, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
An isomerization process of trans-5-fluoro-2-methyl-1-[p-(methylthio)benzyliden]inden-3-acetic acid for the treatment of sodium salt in methanol and in the presence of a base at 70±2° C. is described.