04332035 is referenced by 47 patents and cites 3 patents.

A porous polytetrafluoroethylene material is disclosed having a molecular microfibrous structure having, at one surface, a strong orientation in a given direction and, at another opposite surface, a strong orientation and a direction at right angles to the first, in which the orientation of the microfibrous structure progressively changes from one surface to the other. A process for preparing such an element is also disclosed.

Title
Porous structure of polytetrafluoroethylene and process for production thereof
Application Number
6/98283
Publication Number
4332035
Application Date
November 28, 1979
Publication Date
June 1, 1982
Inventor
Hiroshi Mano
Osaka
JP
Agent
Sughrue Mion Zinn Macpeak and Seas
Assignee
Sumitomo Electric
JP
IPC
D02G 3/00
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