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Ulrich M. Delius
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Frankfurt am Main, DE
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last 30 patents
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Patent Grant
Semipermeable, porous, asymmetric polyether amide membranes
Patent number
5,562,826
Issue date
Oct 8, 1996
Hoechst Aktiengesellschaft
J urgen Schneider
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrophilic, asymmetric, chemically-resistant polyaramide membrane
Patent number
5,536,408
Issue date
Jul 16, 1996
Hoechst Aktiengesellschaft
Reinhard Wagener
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Aromatic copolyamides, process for preparing them and their use for...
Patent number
5,420,231
Issue date
May 30, 1995
Hoechst Aktiengesellschaft
Ulrich M. Delius
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...