John Francis Oswald

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Woelflinswil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Methods for the preparation of tris-aryl-o-hydroxyphenyl-s-triazines
- Patent number 6,242,598
- Issue date Jun 5, 2001
- Ciba Specialty Chemicals Corporation
- Tyler Arthur Stevenson
- C07 - ORGANIC CHEMISTRY