Kangjian Yang

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Zhengzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polymer expanding material used in infiltration or seepage watery e...
- Patent number 11,618,802
- Issue date Apr 4, 2023
- Zhengzhou University
- Hongyuan Fang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Polymer expanding material used in infiltration or seepage watery e...
- Publication number 20200255579
- Publication date Aug 13, 2020
- Zhengzhou University
- Hongyuan Fang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...