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:
Aug. 26, 2008
Filed:
May. 18, 2006
Da-ming Wang, Yangmei Township, Taoyuan County, TW;
Kueir-rarn Lee, Chung-Li, TW;
Juin-yih Lai, Taoyuan County, TW;
Tien-hsiang Hsueh, Taipei County, TW;
Yung-hsin Lee, Tainan County, TW;
Chia-hao Lo, Chiayl County, TW;
Da-Ming Wang, Yangmei Township, Taoyuan County, TW;
Kueir-Rarn Lee, Chung-Li, TW;
Juin-Yih Lai, Taoyuan County, TW;
Tien-Hsiang Hsueh, Taipei County, TW;
Yung-Hsin Lee, Tainan County, TW;
Chia-Hao Lo, Chiayl County, TW;
Chung Yuan Christian University, Taoyuan, TW;
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.