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:
Dec. 10, 1991
Filed:
Dec. 26, 1989
Applicant:
Inventors:
Georges Garcia, Saint-Gely-Du-Fesc, FR;
Daniel Mettefeu, Montpellier, FR;
Richard Roux, Vailhauques, FR;
Assignee:
Sanofi, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546269 ; 548525 ;
Abstract
The invention describes a method of synthesizing a compound of the formula ##STR1## in which X=O or NR,
Quick Actions:
Garcia, Georges. (1991). Method of preparing chroman derivatives, and synthesis intermediates (U.S. Patent No. 5071991). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5071991
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile