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:
Oct. 13, 1987
Filed:
Sep. 16, 1986
Michel Follet, Aramon, FR;
Marc Bonato, Aramon, FR;
Abstract
This invention relates to bicyclic catechol derivatives having the general formulae I and II ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and Z represent various substituents, to a preparation process of the same comprising reacting a compound of formula III ##STR2## wherein R.sub.1 and R.sub.2 have the meanings given above with an appropriately substituted propionic or butyric acid (or an ester or a salt of the same) of formula IV ##STR3## wherein R.sub.3 has the meaning given above, and to therapeutical compositions wherein the active ingredient is one of these compounds.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile