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.

Date of Patent:
Jun. 12, 2007

Filed:

Dec. 25, 2002
Applicants:

Toyoaki Ishikura, Kanagawa-Ken, JP;

Takayuki Ishizawa, Kangawa-Ken, JP;

Kenji Suemune, Kanagawa-Ken, JP;

Mayumi Ishiwata, Kanagawa-Ken, JP;

Chikako Udagawa, Kanagawa-Ken, JP;

Inventors:

Toyoaki Ishikura, Kanagawa-Ken, JP;

Takayuki Ishizawa, Kangawa-Ken, JP;

Kenji Suemune, Kanagawa-Ken, JP;

Mayumi Ishiwata, Kanagawa-Ken, JP;

Chikako Udagawa, Kanagawa-Ken, JP;

Assignee:

Meiji Seika Kaisha, Ltd., Tokyo-to, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); A61K 31/55 (2006.01); A61K 9/14 (2006.01); A61K 47/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are 2-(1-isopropoxycarbonyloxy-2-methylpropyl)-7,8-dimethoxy-4(5), 10-dioxo-2-1,2,3-triazolo[4,5-c][1]benzazepine, which has been rendered amorphous and possesses improved absorption and dissoluvability, and a pharmaceutical composition comprising the same. Also disclosed are processes for producing 2-(1-isopropoxycarbonyloxy-2-methylpropyl)-7,8-dimethoxy-4(5), 10-dioxo-2-1,2,3-triazolo[4,5-c][1]benzazepine, which has been rendered amorphous, and a pharmaceutical composition comprising the same.


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