Der-Yang Lee

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Plantation, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Delayed pulse release hydrogel matrix tablet
- Patent number 6,103,263
- Issue date Aug 15, 2000
- Andrx Pharmaceuticals, Inc.
- Der-Yang Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Controlled release formulation for water insoluble drugs in which a...
- Patent number 5,736,159
- Issue date Apr 7, 1998
- Andrx Pharmaceuticals, Inc.
- Chih-Ming Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Controlled release formulation having a preformed passageway
- Patent number 5,654,005
- Issue date Aug 5, 1997
- Andrx Pharmaceuticals, Inc.
- Chih-Ming Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Controlled release formulation for water soluble drugs in which a p...
- Patent number 5,558,879
- Issue date Sep 24, 1996
- Andrx Pharmaceuticals, Inc.
- Chih-Ming Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE