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:
Jan. 07, 2003
Filed:
Feb. 11, 1999
Applicant:
Inventors:
Franz-Josef Mais, Düsseldorf, DE;
Albrecht Marhold, Leverkusen, DE;
Guido Steffan, Odenthal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
Process for converting a nitrobenzene into a free aminophenol by catalytic reduction hydroxylation in the presence of an aqueous-acidic reaction medium.
Mais, Franz-Josef. (2003). Process for converting nitrobenzene to a free aminophenol (U.S. Patent No. 6504059). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6504059
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile