Erhard-Gunther Hoffmann

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Ratingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the continuous preparation of benzyl alcohol
- Patent number 5,750,801
- Issue date May 12, 1998
- Bayer Aktiengesellschaft
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of benzyl alcohol
- Patent number 5,728,897
- Issue date Mar 17, 1998
- Bayer Aktiengesellschaft
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of a mixture of benzyl chloride, benzyl...
- Patent number 5,670,029
- Issue date Sep 23, 1997
- Bayer Aktiengesellschaft
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sheet-shaped, corrosion resistant parts of apparatus
- Patent number 4,839,209
- Issue date Jun 13, 1989
- Bayer Aktiengesellschaft
- Gehard Simon
- B32 - LAYERED PRODUCTS