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:
Oct. 21, 1997
Filed:
Dec. 08, 1995
Applicant:
Inventors:
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61L / ; C08F / ;
U.S. Cl.
CPC ...
424443 ; 525 61 ;
Abstract
The present invention provides a wound dressing composed of a hydrogel with the principal component being a vinyl alcohol polymer of a viscosity average polymerization degree of 300 or more, wherein the vinyl alcohol polymer contains 5 to 50 mol % of one or more vinyl ester units represented by the following formula (I): ##STR1## and the vinyl alcohol polymer has a block character (.eta.) of 0.6 or less, the block character being represented by the following mathematical formula (II);