Dingyuan Fei

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Montclair, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Long term sustained release pharmaceutical composition containing a...
- Patent number 8,974,801
- Issue date Mar 10, 2015
- Amphastar Pharmaceuticals Inc.
- Jack Yongfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
LONG TERM SUSTAINED RELEASE PHARMACEUTICAL COMPOSITION CONTAINING A...
- Publication number 20150157650
- Publication date Jun 11, 2015
- Amphastar Pharmaceuticals Inc.
- Jack Yongfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LONG TERM SUSTAINED RELEASE PHARMACEUTICAL COMPOSITION CONTAINING A...
- Publication number 20150157649
- Publication date Jun 11, 2015
- Amphastar Pharmaceuticals Inc.
- Jack Yongfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LONG TERM SUSTAINED RELEASE PHARMACEUTICAL COMPOSITION CONTAINING A...
- Publication number 20080153784
- Publication date Jun 26, 2008
- Jack Yongfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE