05972449 is referenced by 17 patents and cites 69 patents.

Porous materials suitable for a variety of uses including waterproof/breathable fabrics, air filters, liquid filters, liquid/liquid separation membranes, vascular grafts, mechanical seals, etc. which comprises an intimate combination of about 50 to 99.9 wt % polytetrafluoroethylene polymer and about 0.1 to 50 wt % of a fluorinated organic polymer which is liquid under ambient conditions, such as the perfluoroether fluids, wherein the material has a microstructure characterized by nodes interconnected by fibrils.

Title
Porous products manufactured from polytetrafluoroethylene treated with a perfluoroether fluid and methods of manufacturing such products
Application Number
710501
Publication Number
5972449
Application Date
February 8, 1999
Publication Date
October 26, 1999
Inventor
Hoo Young Chung
Bloomington
MN, US
Agent
Merchant & Gould P C
Assignee
Donaldson Company
MN, US
IPC
B01D 39/00
A41D 1/02
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