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:
Mar. 24, 2009

Filed:

Jul. 06, 2001
Applicants:

Akira Asari, Iruma, JP;

Hitoshi Kurihara, Musashimurayama, JP;

Tomomi Shibata, Hirakata, JP;

Yuka Miyazaki, Tokyo, JP;

Hiroko Yamanokuchi, Asaka, JP;

Akira Tawada, Sayama, JP;

Takahiro Masa, Tachikawa, JP;

Yuji Matsuzaki, Iruma, JP;

Inventors:

Akira Asari, Iruma, JP;

Hitoshi Kurihara, Musashimurayama, JP;

Tomomi Shibata, Hirakata, JP;

Yuka Miyazaki, Tokyo, JP;

Hiroko Yamanokuchi, Asaka, JP;

Akira Tawada, Sayama, JP;

Takahiro Masa, Tachikawa, JP;

Yuji Matsuzaki, Iruma, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/702 (2006.01); A61K 31/728 (2006.01);
U.S. Cl.
CPC ...
Abstract

Hyaluronic acid oligosaccharides having a size selected from sizes of 4 to 60 saccharides, fractions containing the hyaluronic acid oligosaccharides and having particular physicochemical properties, and drugs containing the same. The hyaluronic acid oligosaccharides of the present invention are extremely useful, because they exert superior pharmaceutical effects as active ingredients of a heat shock protein expression promoter, cell death inhibitor, cell injury inhibitor and cell and tissue protecting agent (e.g., organ preservation agent, antiulcer agent, antihepatopathic agent, IL-10 production promoter or IL-8 production inhibitor) and exhibit high safety.


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