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:
Sep. 26, 2000
Filed:
Jun. 27, 1997
Applicant:
Inventors:
Achim Hupperts, Dusseldorf, DE;
Karl Steinbeck, Burscheid, DE;
Uwe Stelzer, Burscheid, DE;
Reinhard Lantzsch, Wuppertal, DE;
Hermann Seifert, Bergisch Gladbach, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564415 ; 534843 ; 534845 ; 534853 ;
Abstract
The application describes a process for preparing 4-hydroxyanilines by the reaction of phenols with diazonium salts and subsequent reduction.
Quick Actions:
Hupperts, Achim. (2000). Process for preparing 4-hydroxyanilines (U.S. Patent No. 6124504). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6124504
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile