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:
May. 22, 2001
Filed:
May. 30, 2000
Applicant:
Inventors:
Kei Yoshida, Chiba-ken, JP;
Shingo Matsuo, Chiba-ken, JP;
Toshio Kitashima, Chiba-ken, JP;
Kanji Tomiya, Chiba-ken, JP;
Kenji Kodaka, Chiba-ken, JP;
Assignee:
Mitsui Chemicals, Inc., , JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
A 5-aminopyrazole-4-carboxylate derivative represented by the formula (1) is prepared by reacting a compound represented by the formula (2) with a hydrazine compound represented by the formula (3) or hydrate, hydrochloride, hydrobromide or sulfate of the same according to the reaction formula (C):