Friedbert Nees

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Stutensee, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and catalyst for the preparation of methacrylic acid
- Patent number 4,925,823
- Issue date May 15, 1990
- BASF Aktiengesellschaft
- Richard Krabetz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of aromatic glycidyl esters
- Patent number 4,667,044
- Issue date May 19, 1987
- Degussa Aktiengesellschaft
- Friedbert Nees
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of methyl methacrylate from methacrolein
- Patent number 4,638,085
- Issue date Jan 20, 1987
- BASF Aktiengesellschaft
- Franz J. Broecker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of methacrylic acid and catalyst therefor
- Patent number 4,595,778
- Issue date Jun 17, 1986
- BASF Aktiengesellschaft
- Gerd Duembgen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for the preparation of methyl methacrylate
- Patent number 4,520,125
- Issue date May 28, 1985
- BASF Aktiengesellschaft
- Karl Baer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of .alpha.-alkylacroleins
- Patent number 4,496,770
- Issue date Jan 29, 1985
- BASF Aktiengesellschaft
- Gerd Duembgen
- C07 - ORGANIC CHEMISTRY