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:
Jul. 12, 1988
Filed:
May. 13, 1986
Applicant:
Inventors:
Assignee:
ISF Societa per Azioni, Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544224 ; 544236 ;
Abstract
A novel process for preparing 6-amino-3-hydrazinopyridazine derivatives comprising reacting a 3-amino-6-chloropyridazine derivative with ethyl carbazate under aqueous conditions.