Hongjun YI

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for modifying non-woven chitosan fabric
- Patent number 9,119,894
- Issue date Sep 1, 2015
- QINGDAO JIFA NEW MATERIAL CO., LTD.
- Yuhua Huang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MODIFYING NON-WOVEN CHITOSAN FABRIC
- Publication number 20130273235
- Publication date Oct 17, 2013
- Yuhua HUANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE