Karl Mechera

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Muttenz, CH

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Patents Grantslast 30 patents

Information Patent Grant
Compositions comprising an epoxy resin and mercaptan-containing pol...
- Patent number 4,801,660
- Issue date Jan 31, 1989
- Ciba-Geigy Corporation
- Abdul-Cader Zahir
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mercaptan-containing polyphenols
- Patent number 4,721,814
- Issue date Jan 26, 1988
- Ciba-Geigy Corporation
- Sheik A. Zahir
- C07 - ORGANIC CHEMISTRY