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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.:

US 6310065 B1

PDFFull Text
Date of Patent:
Oct. 30, 2001

Filed:

Sep. 28, 2000

Pyridazinone hydrochloride compound and method for producing the same

Applicant:
Inventors:

Takashi Horiuchi, Chiba, JP;

Sachiko Matsumoto, Chiba, JP;

Hiroo Matsumoto, Chiba, JP;

Minako Kamikawaji, Tokyo, JP;

Assignee:

Nissan Chemical Industries, Ltd., Tokyo, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt, P.C.

Primary Examiner:

Emily Bernhardt

Int. Cl.
CPC ...
A61K 3/1501 ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/1501 ; C07D / ;
Abstract

The present invention relates to a 3/2-hydrochloride of 4-chloro-5-[3-(4-benzylpiperazin-1-yl) carbonylmethoxy-4-methoxybenzylamino]-3(2H)-pyridazinone, and also relates to a method for producing the 3/2-hydrochloride of 4-chloro-5-[3-(4-benzylpiperazin-1-yl)carbonylmethoxy-4-methoxy-4-methoxybenzylamino]-3(2H)-pyridazinone which comprises crystallizing in an alcohol type solvent or an alcohol type-ester type mixture solvent in the presence of hydrogen chloride and water.

Find Patent Forward Citations

Horiuchi, Takashi. (2001). Pyridazinone hydrochloride compound and method for producing the same (U.S. Patent No. 6310065). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6310065

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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