Hans-Heinrich Lenz

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Mannheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 3,7-dialkylxanthines
- Patent number 5,210,192
- Issue date May 11, 1993
- BASF Aktiengesellschaft
- Marius Bugglin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gas-phase alkylation of phenols, and a catalyst for this purpose
- Patent number 4,753,913
- Issue date Jun 28, 1988
- BASF Aktiengesellschaft
- Hans-Heinrich Lenz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of .alpha.-methyl-substituted ketones
- Patent number 4,618,725
- Issue date Oct 21, 1986
- BASF Aktiengesellschaft
- Hans-Heinrich Lenz
- C07 - ORGANIC CHEMISTRY