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. 14, 2009
Filed:
Feb. 07, 2007
Hisato Kamekawa, Omuta, JP;
Toshiyuki Kohno, Chosei-gun, JP;
Hiroyuki Katsuta, Chiba, JP;
Daisuke Ura, Omuta, JP;
Kenichi Satoh, Ogori, JP;
Hisato Kamekawa, Omuta, JP;
Toshiyuki Kohno, Chosei-gun, JP;
Hiroyuki Katsuta, Chiba, JP;
Daisuke Ura, Omuta, JP;
Kenichi Satoh, Ogori, JP;
Mitsui Chemicals, Inc., Minato-Ku, Tokyo, JP;
Abstract
Disclosed is an improved process for producing nitroisourea derivatives which is necessary for producing nitroguanidine derivatives having an insecticidal activity. Specifically disclosed is a process for producing nitroisourea derivatives represented by the following general formula (3), which is characterized in that nitroisourea derivatives represented by the following general formula (1) and amines represented by the following general formula (2) or a salt thereof are reacted in the presence of a catalytic amount of a hydrogen carbonate,