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PCD Polymere GmbH
PCD Polyme
Active Patents
0
Total Holdings
4
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
EP0423484A1
Tablet with sustained release
Expired / Lapsed
1990-09-12
—
0
Details
AU2004083A
Compressed hydroxybutryic acid polymer retarded release veh…
Expired / Lapsed
1983-10-11
—
1
Details
US4968611A
Extracting agents for poly-D(-)-3-hydroxybutyric acid
Expired / Lapsed
1989-06-22
1990-11-06
8
Details
US4491575A
Compressed products with retarded release of active substan…
Expired / Lapsed
1983-10-06
1985-01-01
16
Details