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Aligena AG
Aligena AG
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
EP0026399A1
Porous semipermeable cellulose acetate membranes modified b…
Expired / Lapsed
1980-09-17
—
0
Details
US4247401A
Reverse osmosis separation process using porous asymmetric …
Expired / Lapsed
1978-08-31
1981-01-27
7
Details