Yanhui Zhang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hemostatic paste and methods of making thereof
- Patent number 11,819,384
- Issue date Nov 21, 2023
- Guangzhou Bioseal Co., Ltd.
- Dengmin Feng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hemostatic paste and methods of making thereof
- Patent number 11,413,192
- Issue date Aug 16, 2022
- Guangzhou Bioseal Co., Ltd.
- Dengmin Feng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hemostatic paste and methods of making thereof
- Patent number 10,736,786
- Issue date Aug 11, 2020
- Guangzhou Bioseal Biotech Co., Ltd.
- Dengmin Feng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
HEMOSTATIC PASTE AND METHODS OF MAKING THEREOF
- Publication number 20220202619
- Publication date Jun 30, 2022
- Guangzhou Bioseal Biotech Co., Ltd.
- Dengmin Feng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HEMOSTATIC PASTE AND METHODS OF MAKING THEREOF
- Publication number 20200323690
- Publication date Oct 15, 2020
- Guangzhou Bioseal Biotech Co., Ltd.
- Dengmin Feng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HEMOSTATIC PASTE AND METHODS OF MAKING THEREOF
- Publication number 20200022843
- Publication date Jan 23, 2020
- Guangzhou Bioseal Biotech Co., Ltd.
- Dengmin Feng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...