Bernhard Albrecht

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 1-amine-2-naphthol-4-sulfonic acid
- Patent number 4,929,752
- Issue date May 29, 1990
- Ciba-Geigy Corporation
- Bernhard Albrecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of chloronitroanilines and chloronitrop...
- Patent number 4,879,415
- Issue date Nov 7, 1989
- Ciba-Geigy Corporation
- Bernhard Albrecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing the magnesium salt of 3-nitro-naphthalene-1,5...
- Patent number 4,348,334
- Issue date Sep 7, 1982
- Ciba-Geigy AG
- Bernhard Albrecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous reduction process
- Patent number 4,217,304
- Issue date Aug 12, 1980
- Ciba-Geigy AG
- Bernhard Albrecht
- C07 - ORGANIC CHEMISTRY