Allyn J. Ziegenhagen

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Berkeley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyolefin films having improved barrier properties
- Patent number 5,155,160
- Issue date Oct 13, 1992
- James River II, Inc.
- Gene H. Yeh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene/chlorine elimination process
- Patent number 4,029,714
- Issue date Jun 14, 1977
- Stauffer Chemical Company
- Allyn J. Ziegenhagen
- C07 - ORGANIC CHEMISTRY