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:
May. 15, 1990
Filed:
Mar. 04, 1988
Applicant:
Inventors:
Paul Deschrijver, Lennik, BE;
Jean-Pierre Ganhy, Brussels, BE;
Assignee:
Interox (Societe Anonyme), Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544354 ;
Abstract
A quinoxaline is oxidized by means of hydrogen peroxide in an inert solvent medium in the presence of water and of a catalyst selected from selenium and selenium compounds. The process applies to the preparation of substituted and unsubstituted 2,3-dihydroxyquinoxalines.
Deschrijver, Paul. (1990). Process for the manufacture of a 2,3-dihydroxyquinoxaline, and (U.S. Patent No. 4925941). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4925941
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile