Rui Qing Qian

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods for purifying chitosan
- Patent number 6,896,809
- Issue date May 24, 2005
- Providence Health System - Oregon
- Rui Qing Qian
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF USING AND PRODUCING TROPOELASTIN AND TROPOELASTIN BIOMATE...
- Publication number 20090169593
- Publication date Jul 2, 2009
- BIOMEDICAL RESEARCH SERVICES, INC.
- Kenton W. Gregory
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Methods for purifying chitosan
- Publication number 20040118778
- Publication date Jun 24, 2004
- Providence Health System
- Rui Qing Qian
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...