Plastic and nonmetallic article shaping or treating: processes – With step of cooling to a temperature of zero degrees c. or...
Patent
1989-07-14
1991-11-12
Lorin, Hubert C.
Plastic and nonmetallic article shaping or treating: processes
With step of cooling to a temperature of zero degrees c. or...
264 41, 264184, 264203, 2642103, 2642104, 2642106, 26421118, 26421119, 2642112, 264216, 264235, 2642356, 264346, 21050027, 21050028, B29C 6720
Patent
active
050645803
ABSTRACT:
A method of preparing a microporous membrane from unsulfonated poly(etheretherketone)-type polymers.
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Beck Henry N.
Lundgard Richard A.
Mahoney Robert D.
Clark Janet P.
Lorin Hubert C.
The Dow Chemical Company
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