Doris Neumann-Grimm

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Frankfurt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing quinazoline derivatives
- Patent number 6,001,831
- Issue date Dec 14, 1999
- Clariant GmbH
- Theodor Papenfuhs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monoesters of carboxymethylene anthranilic acids and process for pr...
- Patent number 5,973,189
- Issue date Oct 26, 1999
- Clariant GmbH
- Theodor Papenfuhs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing N-carboxymethylene-4-chloro-anthranilic acid...
- Patent number 5,945,556
- Issue date Aug 31, 1999
- Clariant GmbH
- Theodor Papenfuhs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of N-(2-carboxy-5-chloro-phenyl)glycine
- Patent number 5,821,385
- Issue date Oct 13, 1998
- Hoechst Aktiengesellschaft
- Stefan Krause
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of N-carboxymethyleneanthranilic acid
- Patent number 5,811,572
- Issue date Sep 22, 1998
- Hoechst Aktiengesellschaft
- Theodor Papenfuhs
- C07 - ORGANIC CHEMISTRY