Peter Hess

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Hofheim am Taunus, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 4,4'-dinitrodiphenylamine
- Patent number 4,990,673
- Issue date Feb 5, 1991
- Hoechst Aktiengesellschaft
- Wolfgang Tronich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of 3-(acyl)amino-4-alkoxy-phenyl-.beta.-hyd...
- Patent number 4,778,911
- Issue date Oct 18, 1988
- Hoechst Aktiengesellschaft
- Peter Hess
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing anthranilic acid esters
- Patent number 4,135,050
- Issue date Jan 16, 1979
- Hoechst Aktiengesellschaft
- Peter Hess
- C07 - ORGANIC CHEMISTRY