Wudneh Admassu

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Concord, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polycarbonate gas separation membranes containing substituted benze...
- Patent number 4,959,082
- Issue date Sep 25, 1990
- The Dow Chemical Company
- Wudneh Admassu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Semi-permeable hollow fiber gas separation membranes possessing a n...
- Patent number 4,955,993
- Issue date Sep 11, 1990
- The Dow Chemical Company
- Edgar S. Sanders
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for treating a liquid-wet polycarbonate membrane to improve...
- Patent number 4,900,334
- Issue date Feb 13, 1990
- The Dow Chemical Company
- Wudneh Admassu
- F26 - DRYING
Information Patent Grant
Process for drying water-wet polycarbonate membranes
- Patent number 4,843,733
- Issue date Jul 4, 1989
- The Dow Chemical Company
- Wudneh Admassu
- F26 - DRYING