Yan FENG

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing oil absorbing fibers
- Patent number 8,110,525
- Issue date Feb 7, 2012
- Tianjin Polytechnic University
- Changfa Xiao
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MAKING FIBER CONTAINING ACTIVE INGREDIENTS FROM CHINESE...
- Publication number 20220002937
- Publication date Jan 6, 2022
- China Merchants Health Industry (Qichun) Co., Ltd.
- Xiaoming QIAN
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Application
METHOD OF PREPARING OIL ABSORBING FIBERS
- Publication number 20090306259
- Publication date Dec 10, 2009
- TIANJIN POLYTECHNIC UNIVERSITY
- Changfa XIAO
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING