Ben-Yi Ji

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Brooklyn, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of naltrexone from codeine and 3-benzylmorphine
- Patent number 6,013,796
- Issue date Jan 11, 2000
- Penick Corporation
- Bao-Shan Huang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of noroxymorphone from morphine
- Patent number 6,008,354
- Issue date Dec 28, 1999
- Penick Corporation
- Bao-Shan Huang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of oxycodone from codeine
- Patent number 6,008,355
- Issue date Dec 28, 1999
- Penick Corporation
- Bao-Shan Huang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 14-hydroxynormorphinones from normorphinones
- Patent number 5,952,495
- Issue date Sep 14, 1999
- Penick Corporation
- Bao-Shan Huang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Normorphine and normorphinone derivatives
- Patent number 5,948,788
- Issue date Sep 7, 1999
- Penick Corporation
- Bao-Shan Huang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of oxymorphone from morphine
- Patent number 5,922,876
- Issue date Jul 13, 1999
- Penick Corporation
- Bao-Shan Huang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 14-hydroxynormorphinones from normorphinone dienol a...
- Patent number 5,869,669
- Issue date Feb 9, 1999
- Penick Corporation
- Bao-Shan Huang
- C07 - ORGANIC CHEMISTRY