WENJUN ZHENG

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing reactive composition and ink for high stabi...
- Patent number 12,139,616
- Issue date Nov 12, 2024
- Wenjun Zheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING REACTIVE COMPOSITION AND INK FOR HIGH STABI...
- Publication number 20210332246
- Publication date Oct 28, 2021
- Shanghai Celludye Imaging Colorants Co., Ltd.
- WENJUN ZHENG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...