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. 25, 1984
Filed:
Jul. 09, 1982
Applicant:
Inventors:
Assignee:
Mitsubishi Gas Chemical Company Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
564249 ; 502152 ;
Abstract
A process for preparing a ketazine useful as an intermediate for the synthesis of hydrazine is disclosed. The process comprises reacting an aliphatic or aromatic ketone with ammonia and hydrogen peroxide in the presence of a catalyst of an arsenic compound to produce a corresponding ketazine.