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Hydrogels with gradient

standard

posted on 2016-06-07, 00:00 authored by Brian Thomas, Kaifeng Liu, Steven Charlebois

The present invention provides a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight. The invention also provides a method of forming a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight.

History

Patent Number

US 8062739 B2

Other Application

11/848,698

USPTO Link

http://patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=/netahtml/PTO/search-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN/8062739

Inventor

Kaifeng Liu Brian Thomas Steven Charlebois

Inventor from Local Institution

Kaifeng Liu

Assignee

Zimmer Inc. (Warsaw, IN)

Date Modified

2016-06-07

Language

English

Claims

12

Prior Publication Number

US 20090062408 A1

Publisher

United States Patent and Trademark Office

Cooperative Patent Classification Codes

A61L 27/50 (20130101); A61L 27/52 (20130101); B32B 7/02 (20130101); B32B 27/30 (20130101)

Contributor

Kaifeng Liu

International Patent Classification Codes

B32B 7/02 (20060101); H05B 6/00 (20060101)

US Patent Classification Codes

428/212; 264/478;

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CC BY 4.0

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