Lingguo Zeng

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Chongqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Etomidate derivative and intermediate, preparation method and use t...
- Patent number 10,392,352
- Issue date Aug 27, 2019
- JIANGSU NHWALUOKANG PHARMCEUTICAL RESEARCH AND DEVELOPMENT CO., LTD
- Qingeng Li
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carboxylic acid derivatives and use thereof in the preparation of p...
- Patent number 10,239,851
- Issue date Mar 26, 2019
- Qingeng Li
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble taxane derivatives and uses thereof
- Patent number 9,650,390
- Issue date May 16, 2017
- JIANGSU NHWALUOKANG PHARMCEUTICAL RESEARCH AND DEVELOPMENT CO., LTD
- Qingeng Li
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble propofol derivatives and uses thereof
- Patent number 9,643,917
- Issue date May 9, 2017
- JIANGSU NHWALUOKANG PHARMCEUTICAL RESEARCH AND DEVELOPMENT CO., LTD
- Qingeng Li
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ETOMIDATE DERIVATIVE AND INTERMEDIATE, PREPARATION METHOD AND USE T...
- Publication number 20180297958
- Publication date Oct 18, 2018
- JIANGSU NHWALUOKANG PHARMACEUTICAL RESEARCH AND DEVELOPMENT CO., LTD.
- Qingeng Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CARBOXYLIC ACID DERIVATIVES AND USE THEREOF IN THE PREPARATION OF P...
- Publication number 20170057939
- Publication date Mar 2, 2017
- Qingeng Li
- C07 - ORGANIC CHEMISTRY
Information Patent Application
WATER-SOLUBLE TAXANE DERIVATIVES AND USES THEREOF
- Publication number 20170057973
- Publication date Mar 2, 2017
- JIANGSU NHWALUOKANG PHARMCEUTICAL RESEARCH AND DEVELOPMENT CO., LTD
- Qingeng Li
- C07 - ORGANIC CHEMISTRY
Information Patent Application
WATER-SOLUBLE PROPOFOL DERIVATIVES AND USES THEREOF
- Publication number 20170050920
- Publication date Feb 23, 2017
- JIANGSU NHWALUOKANG PHRMCEUTICAL RESEARCH AND DEVELOPMENT CO., LTD
- Qingeng Li
- C07 - ORGANIC CHEMISTRY