Willi Streicher

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing 2-nitro-5-(phenylthio)-anilines
- Patent number 6,552,230
- Issue date Apr 22, 2003
- Bayer Aktiengesellschaft
- Volker Glock
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of aromatic methoxycarboxylic acid meth...
- Patent number 5,763,641
- Issue date Jun 9, 1998
- Bayer Aktiengesellschaft
- Willi Streicher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of indoles
- Patent number 5,179,211
- Issue date Jan 12, 1993
- Bayer Aktiengesellschaft
- Heinz U. Blank
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of nitrobenzaldenhyde
- Patent number 4,910,345
- Issue date Mar 20, 1990
- Bayer Aktiengesellschaft
- Willi Streicher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphoni...
- Patent number 4,873,026
- Issue date Oct 10, 1989
- Bayer Aktiengesellschaft
- Horst Behre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphoni...
- Patent number 4,836,959
- Issue date Jun 6, 1989
- Bayer Aktiengsellschaft
- Willi Streicher
- C07 - ORGANIC CHEMISTRY