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. 05, 1985
Filed:
Mar. 11, 1983
Applicant:
Inventors:
Phillip D Cook, Ann Arbor, MI (US);
Dennis J McNamara, Ann Arbor, MI (US);
Assignee:
Warner-Lambert Company, Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548301 ;
Abstract
A process is provided for producing 4-carbamoyl-1H-imidazolium-5-olate (I) ##STR1## by reacting aminomalonamide H.sub.2 N--CH(CONH.sub.2).sub.2 and formamidine CH(.dbd.NH)NH.sub.2 compound in a liquid medium comprising alcohol under conditions such that the product I can be obtained in a solid form that is directly recoverable from the medium, free of aminomalonamide and recrystallizable.