Philippe Pitchen

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Dagenham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process for thiopyrans
- Patent number 5,780,636
- Issue date Jul 14, 1998
- Rhone-Poulenc Rorer Limited
- Philippe Pitchen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of substituted thiopyran-1-oxides
- Patent number 5,688,954
- Issue date Nov 18, 1997
- Rhone-Poulenc Rorer Limited
- Philippe Pitchen
- C07 - ORGANIC CHEMISTRY