US Patent 7416761 Composite membrane and method for forming the same

Patent 7416761 was granted and assigned to Chung Yuan Christian University on August, 2008 by the United States Patent and Trademark Office.

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Current Assignee

Chung Yuan Christian University

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7416761

Date of Patent

August 26, 2008

Patent Application Number

11435718

Date Filed

May 18, 2006

Patent Primary Examiner

‌

Kirsten C Jolley

Patent abstract

The present invention discloses discloses a composite PTFE membrane comprising an expanded PTFE membrane as substrate and a sintered porous PTFE membrane on top of it. The porous PTFE membrane on top has porous structure with interconnected channels formed with a sintering process that fuses the PTFE fine powders coated on the ePTFE membrane. Furthermore, the present invention discloses a method for forming the composite PTFE membrane.

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