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. 12, 2011
Filed:
Feb. 07, 2007
Hisato Kamekawa, Omuta, JP;
Tomotaka Miyashita, Kawasaki, JP;
Hiroyuki Katsuta, Chiba, JP;
Toshio Kitashima, Omuta, JP;
Hisato Kamekawa, Omuta, JP;
Tomotaka Miyashita, Kawasaki, JP;
Hiroyuki Katsuta, Chiba, JP;
Toshio Kitashima, Omuta, JP;
Mitsui Chemicals, Inc., Minato-Ku, Tokyo, JP;
Abstract
Disclosed is an improved process for producing nitroguanidine derivatives represented by the formula (3), which has an insecticidal activity, or a salt thereof, wherein the substituents are defined herein, in which nitroisourea derivatives represented by the following general formula (1) or a salt thereof wherein the substituents are defined herein, and compounds represented by the following general formula (2) or a salt thereof, wherein the substituents are defined herein, are reacted in the presence of a base in an aqueous solution wherein an inorganic salt is dissolved at not less than 50% of its saturated solubility.