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Process for preparing resinous expanded solid
US 2,805,208 A
Filed
: 11/05/1952
Issued
: 09/03/1957
Est. Priority Date
: 11/05/1952
Status: Expired due to Term
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Current Assignee
Irvan D. Roche
Original Assignee
Irvan D. Roche
Inventors
Roche, Irvan D.
Application Number
US03/318,957
Time in Patent Office
1,763 Days
Field of Search
US Class Current
264/317
CPC Class Codes
C08J 9/26
by elimination of a solid p...
Y10S 424/07
Microporous membranes
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