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. 04, 2012
Filed:
Jan. 31, 2012
Applicants:
Mitsuru Takase, Joetsu, JP;
Fuminori Komatsu, Joetsu, JP;
Inventors:
Mitsuru Takase, Joetsu, JP;
Fuminori Komatsu, Joetsu, JP;
Assignee:
Nippon Soda Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 257/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing N-(2-amino-1,2-dicyanovinyl)formamidine, including the steps of reacting an N-(2-amino-1,2-dicyanovinyl)formimidate and ammonia by adding aqueous ammonia to a solution or suspension of an N-(2-amino-1,2-dicyanovinyl)formimidate in ether, or alternatively directly adding an N-(2-amino-1,2-dicyanovinyl)formimidate or adding a solution or suspension of an N-(2-amino-1,2-dicyanovinyl)formimidate in ether to a liquid containing ether and aqueous ammonia.