Hermann Dreher

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Seeheim-Jugenheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of polyphenylene ethers, and an apparatus for this purpose
- Patent number 4,696,996
- Issue date Sep 29, 1987
- BASF Aktiengesellschaft
- Hermann Brandt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous removal of the catalyst from polyphenylene ethers
- Patent number 4,654,418
- Issue date Mar 31, 1987
- BASF Aktiengesellschaft
- Rosemarie Berger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Avoiding an explosive gas phase in gas/liquid reactions
- Patent number 4,482,696
- Issue date Nov 13, 1984
- BASF Aktiengesellschaft
- Hans H. Schuster
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Removal of the catalyst from polyphenylene ethers
- Patent number 4,460,764
- Issue date Jul 17, 1984
- BASF Aktiengesellschaft
- Rudi W. Reffert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...