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:
Feb. 21, 1978
Filed:
Feb. 22, 1977
Applicant:
Inventors:
Charles A Wilson, Midland, MI (US);
Craig E Mixan, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424250 ;
Abstract
(1,3-Dithiolo(4,5-b) (1,2,5)thiadiazolo(3',4'-e)pyrazin-6-ylidene)-propanedinitrile is prepared by reacting di(sodiomercapto)methylenemalononitrile with 5,6-dichloro-1,2,5-thiadiazole(3,4-b)pyrazine in dimethylformamide as reaction medium at a temperature between about 20.degree. C and about 60.degree. C until the reaction is substantially complete. The reaction product has antimicrobial utility.