Christian Richard

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Rosny Sous Bois, FR

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of 4-phenyl-1,2,3,6-tetrahydropyridines
- Patent number 6,136,981
- Issue date Oct 24, 2000
- Hoechst Marion Roussel
- Francis Brion
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for the preparation of 6.alpha., 9.alpha.-difluoro st...
- Patent number 5,556,965
- Issue date Sep 17, 1996
- Roussel Uclaf
- Jean-Yves Godard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 6.alpha., 9.alpha.-difluoro steroids
- Patent number 5,478,957
- Issue date Dec 26, 1995
- Roussel Uclaf
- Jean-Yves Godard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process for 20-keto 21(S) hydroxy steroids compounds an...
- Patent number 5,473,087
- Issue date Dec 5, 1995
- Roussel Uclaf
- Jean Buendia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process for 20-keto-21(S) hydroxy steroid compounds and...
- Patent number 5,384,419
- Issue date Jan 24, 1995
- Roussel Uclaf
- Jean Buendia
- C07 - ORGANIC CHEMISTRY