Giovanni De Roit

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Bologna, IT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of bis(2,2,6,6-tetramethyl-4-piperidyl)...
- Patent number 4,923,992
- Issue date May 8, 1990
- Ciba-Geigy Corporation
- Graziano Vignali
- C07 - ORGANIC CHEMISTRY