Hydrogels with gradient

Patent

Description

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.

Attributes

Attribute NameValues
Title
  • Hydrogels with gradient

Patent Number
  • US 8062739 B2

USPTO Link
Inventor
  • Kaifeng Liu

  • Brian Thomas

  • Steven Charlebois

Inventor From Local Institution
  • Kaifeng Liu

Other Application
  • 11/848,698

Prior Publication Date
  • 2009-03-05

Prior Publication Number
  • US 20090062408 A1

Claims
  • 12

Classification (US Patent)
  • 428/212; 264/478;

Cooperative Patent Classification codes
  • A61L 27/50 (20130101); A61L 27/52 (20130101); B32B 7/02 (20130101); B32B 27/30 (20130101)

International Patent Classification codes
  • B32B 7/02 (20060101); H05B 6/00 (20060101)

Language
  • eng

Date Issued
  • 2011-11-22

Publisher
  • United States Patent and Trademark Office

Assignee
  • Zimmer Inc. (Warsaw, IN)

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