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. 17, 2011
Filed:
May. 08, 2008
Applicants:
Norio Ueno, Yokohama, JP;
Takashi Oka, Yokohama, JP;
Inventors:
Norio Ueno, Yokohama, JP;
Takashi Oka, Yokohama, JP;
Assignee:
Shiseido Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/728 (2006.01); C07H 5/06 (2006.01); C07H 13/04 (2006.01); C08B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an ophthalmic pharmaceutical composition containing acetylated hyaluronic acid and a pharmacologically acceptable carrier. Preferably, the average molecular weight of the acetylated hyaluronic acid is 10,000 to 1,000,000, and the acetyl group substitution number is from 2.0 to 4.0. In a preferred embodiment, this ophthalmic pharmaceutical composition is used in the treatment or prevention of dry eye, and in an even more preferred embodiment it is a dry-eye instillation.