Istvan Szekely

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Basel, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of amino-I-acid
- Patent number 4,199,529
- Issue date Apr 22, 1980
- Ciba-Geigy AG
- Bernt Bonath
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the nitration of anthraquinones
- Patent number 3,968,130
- Issue date Jul 6, 1976
- Ciba-Geigy AG
- Istvan Szekely
- C07 - ORGANIC CHEMISTRY