Mingrui Du

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Huizhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Structural flame retardant high strength low exothermic polymer gro...
- Patent number 11,970,564
- Issue date Apr 30, 2024
- SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Silicate modified polymer foam material for filling and sealing
- Publication number 20230043883
- Publication date Feb 9, 2023
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Silicate-modified high-toughness and low-heat polymer grouting mate...
- Publication number 20230045296
- Publication date Feb 9, 2023
- SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Structural flame retardant high strength low exothermic polymer gro...
- Publication number 20230041379
- Publication date Feb 9, 2023
- SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Silicate-modified polymer grouting material for leakage plugging
- Publication number 20230041315
- Publication date Feb 9, 2023
- SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...