Chi-Hsin Richard King

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 4-amino-.DELTA.4-3-ketosteroids via...
- Patent number 5,990,328
- Issue date Nov 23, 1999
- Merrell Pharmaceuticals Inc.
- Philip M. Weintraub
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-amino-.DELTA..sup.4 -3-ketosteroid...
- Patent number 5,965,550
- Issue date Oct 12, 1999
- Merrell Pharmaceuticals Inc.
- Philip M. Weintraub
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain 3-ketosteroids used to inhibit steroid 5.alpha.-reductase
- Patent number 5,869,475
- Issue date Feb 9, 1999
- Merrell Pharmaceuticals, Inc.
- Timothy Thomas Curran
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing N-acetyl(L)-4-cyanophenylalanine from a mixtu...
- Patent number 5,766,932
- Issue date Jun 16, 1998
- Hoechst Marion Roussel, Inc.
- Chi-Hsin R. King
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4-amino- 4-3-ketosteroids via 4-nitr...
- Patent number 5,750,744
- Issue date May 12, 1998
- Merrell Pharmaceuticals Inc.
- Philip M. Weintraub
- C07 - ORGANIC CHEMISTRY