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Patent Searching and Data


Title:
POLYTETRAFLUOROETHYLENE FIBER TUBULAR MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2017/080467
Kind Code:
A1
Abstract:
Provided is a polytetrafluoroethylene fiber tubular membrane, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber diameter is larger than 200 nm and smaller than or equal to 2000 nm; the body has pore cavities of a pore diameter of 10-2000 nm and cavity walls formed by three-dimensional spaces surrounding the pore cavities; the pore cavities are uniformly distributed and each pore cavity is three-dimensionally open; the pore cavities being uniformly distributed means that the pore cavities are uniformly distributed over any unit volume on the porous material, and the porosity is greater than or equal to 65%.

Inventors:
YE, Lei (No.9 Qinye Road, Yubei, Chongqing 0, 401120, CN)
Application Number:
CN2016/105255
Publication Date:
May 18, 2017
Filing Date:
November 09, 2016
Export Citation:
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Assignee:
CHONGQING RUNZE PHARMACEUTICAL COMPANY LIMITED. (No.9 Qinye Road, Yubei, Chongqing 0, 401120, CN)
International Classes:
B01D71/36; B01D69/04
Foreign References:
CN101530750A2009-09-16
CN105013344A2015-11-04
CN103212308A2013-07-24
CN102151493A2011-08-17
JP2001011224A2001-01-16
Attorney, Agent or Firm:
CHONGQING HONGXU PATENT AGENT LTD. (Room 1604, Building C2No.51 Honghu East Road, Yubei, Chongqing 1, 401121, CN)
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