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. 18, 1977
Filed:
May. 01, 1975
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2603477 ; 2605 / ;
Abstract
An azomethine is produced by reacting a saturated or unsaturated aliphatic, cycloaliphatic, aromatic or heterocyclic aldehyde with ammonia and hydrogen in the presence of a catalyst containing at least one group VIII B metal at a temperature of 20.degree. to 200.degree. C. Preferably, the catalyst also contains at least one group VI B metal.