Lingling Weng

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hydrogen sulfide donor in organic salt form and preparation method...
- Patent number 11,124,475
- Issue date Sep 21, 2021
- CHENGDU KAOENSI SCIENCE AND TECHNOLOGY CO., LTD.
- Hu Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bone resorption inhibition/osteogenesis promotion compound
- Patent number 6,028,207
- Issue date Feb 22, 2000
- Iskra Industry Co., Ltd.
- Hu Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bone resorption inhibition/osteogenesis promotion compound
- Patent number 5,760,214
- Issue date Jun 2, 1998
- Iskra Industry Co., Ltd.
- Hu Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bone resorption inhibition/osteogenesis promotion pharmaceutical co...
- Patent number 5,698,542
- Issue date Dec 16, 1997
- Iskra Industry Co., Ltd.
- Hu Zheng
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
HYDROGEN SULFIDE DONOR IN ORGANIC SALT FORM AND PREPARATION METHOD...
- Publication number 20200199067
- Publication date Jun 25, 2020
- CHENGDU KAOENSI SCIENCE AND TECHNOLOGY CO., LTD.
- Hu ZHENG
- C07 - ORGANIC CHEMISTRY