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. 05, 2026
Filed:
Mar. 24, 2021
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Maxime Huchede, Lyons, FR;
Sandra Chouzier, Deaux, FR;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/48 (2006.01); B01J 23/04 (2006.01); B01J 25/02 (2006.01);
U.S. Cl.
CPC ...
C07C 209/48 (2013.01); B01J 23/04 (2013.01); B01J 25/02 (2013.01);
Abstract
The present invention relates to a process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst and a basic co-catalyst containing potassium hydroxide, wherein the basic co-catalyst contains a further basic compound selected from the group consisting of alkaline hydroxides, alkaline earth hydroxides and ammonium hydroxides.
Huchede, Maxime. (2026). Process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of raney nickel and a basic co-catalyst (U.S. Patent No. 12617750). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12617750
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile