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POLYKETONE COPOLYMERS
US 3,516,966 A
Filed
: 02/05/1968
Issued
: 06/23/1970
Est. Priority Date
: 02/05/1968
Status: Expired due to Term
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Current Assignee
Charles E. Berr
Original Assignee
Charles E. Berr
Inventors
Berr, Charles E.
Application Number
US04/702,802
Time in Patent Office
869 Days
Field of Search
US Class Current
528/194
CPC Class Codes
C08G 61/127
derived from carbon dioxide...
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