Hengzhi Tang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Surfactant composition, and manufacturing method and application of...
- Patent number 11,920,083
- Issue date Mar 5, 2024
- China Petroleum and Chemical Corporation
- Yingcheng Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surfactant composition, and manufacturing method and application of...
- Patent number 11,578,253
- Issue date Feb 14, 2023
- China Petroleum and Chemical Corporation
- Yingcheng Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surfactant composition, and manufacturing method and application of...
- Patent number 10,723,936
- Issue date Jul 28, 2020
- China Petroleum and Chemical Corporation
- Yingcheng Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
SURFACTANT COMPOSITION, AND MANUFACTURING METHOD AND APPLICATION OF...
- Publication number 20200308473
- Publication date Oct 1, 2020
- China Petroleum and Chemical Corporation
- Yingcheng Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SURFACTANT COMPOSITION, AND MANUFACTURING METHOD AND APPLICATION OF...
- Publication number 20200299566
- Publication date Sep 24, 2020
- China Petroleum and Chemical Corporation
- Yingcheng Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SURFACTANT COMPOSITION, AND MANUFACTURING METHOD AND APPLICATION OF...
- Publication number 20160122621
- Publication date May 5, 2016
- China Petroleum and Chemical Corporation
- Yingcheng Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...