Keqin ZHANG

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Nantong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Silk fibroin-based optical anti-counterfeiting mark and preparation...
- Patent number 10,857,830
- Issue date Dec 8, 2020
- NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Keqin Zhang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
SILK FIBROIN-BASED OPTICAL ANTI-COUNTERFEITING MARK AND PREPARATION...
- Publication number 20200079133
- Publication date Mar 12, 2020
- Keqin ZHANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PREPARING INVERSE OPAL COLLOIDAL CRYSTAL FIBERS
- Publication number 20180237957
- Publication date Aug 23, 2018
- NANTONG TEXTILE & SILK INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Keqin ZHANG
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING