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:
Nov. 13, 2001
Filed:
Feb. 02, 2001
Applicant:
Inventors:
Henry Giera, Grosskitzighofen, DE;
Torsten Pohl, Cambridge, MA (US);
Uwe Hugger, Rellingen, DE;
Adolf Sicheneder, Hohenlockstedt, DE;
Fred Schuhmacher, Schenefeld, DE;
Adolf Brill, Brunsbüttel, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
The present invention relates to the production of aminodiphenyl-amines resulting in good yields and high purity levels when aromatic amines are reacted with nitrohalobenzenes in the presence of a palladium catalyst and a base and the product thus obtained is subsequently hydrogenated with hydrogen.
Giera, Henry. (2001). Process for producing aminodiphenylamines (U.S. Patent No. 6316673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6316673
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile