Gunther Appel

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Hattersheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Composite membrane and process for its production
- Patent number 5,733,663
- Issue date Mar 31, 1998
- Hoechst Aktiengesellschaft
- Ude Scheunemann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process and device for producing ultrathin layers and layer element
- Patent number 5,429,842
- Issue date Jul 4, 1995
- Hoechst Aktiengesellschaft
- Gunther Appel
- B82 - NANO-TECHNOLOGY