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:
Mar. 03, 1998
Filed:
Oct. 18, 1996
Applicant:
Inventors:
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
5482624 ; 5483714 ;
Abstract
The invention provides a method of transforming a pyrazole compound, comprising cyclizing a 1,5-diaminopyrazole compound having the structure: ##STR1## wherein R.sup.1 is a substituent group; and X is hydrogen, an acyl group, or a heterogroup; in an alkaline solution with carbon disulphide to produce a pyrazolotriazole thione compound having formula (3). ##STR2##