Ursula Ehrfeld

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Ettlingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Separating gaseous or vaporous substances according to the separati...
- Patent number 4,246,007
- Issue date Jan 20, 1981
- Kernforschungszentrum Karlsruhe GmbH
- Erwin-Willy Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Separation of gaseous or vaporous substances according to the separ...
- Patent number 4,235,606
- Issue date Nov 25, 1980
- Kernforschungszentrum Karlsruhe GmbH
- Erwin-Willy Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL