Stefan Krause

Follow

Person

Frankfurt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing 2,4-dichloro-5-hydroxyacetanilide
- Patent number 6,242,646
- Issue date Jun 5, 2001
- Clariant GmbH
- Frank Sistig
- C07 - ORGANIC CHEMISTRY
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 the preparation of 3,5-difluoroaniline
- Patent number 5,965,775
- Issue date Oct 12, 1999
- Clariant GmbH
- Ralf Pfirmann
- 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