US2006166930A1PendingUtilityA1

Medicinal composition for ophthal use containing acetylated hyaluronic acid

Assignee: UENO NORIOPriority: Feb 27, 2003Filed: Feb 27, 2004Published: Jul 27, 2006
Est. expiryFeb 27, 2023(expired)· nominal 20-yr term from priority
A61K 31/728A61P 27/04A61P 27/02C08B 37/0072C08B 37/00
57
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Claims

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.

Claims

exact text as granted — not AI-modified
1 . An ophthalmic pharmaceutical composition comprising acetylated hyaluronic acid and a pharmacologically acceptable carrier.  
     
     
         2 . The ophthalmic pharmaceutical composition according to  claim 1 , wherein the average molecular weight of the acetylated hyaluronic acid is from 10,000 to 1,000,000, and the acetyl group substitution number is 2.0 to 4.0  
     
     
         3 . The ophthalmic pharmaceutical composition according to  claim 1 , which is used for the treatment of dry eye.  
     
     
         4 . The ophthalmic pharmaceutical composition according to  claim 3 , which is a dry-eye instillation.  
     
     
         5 . The ophthalmic pharmaceutical composition according to  claim 2 , which is used for the treatment of dry eye.

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