Qingeng Li

Person

Chongqing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Crystal form of ethyl (S)-3-(8-bromo-1-methyl-6-(pyridin-2-yl)-4H-b...
- Patent number 11,708,368
- Issue date Jul 25, 2023
- JIANGSU NHWALUOKANG PHARMACEUTICAL RESEARCH AND DEVELOPMENT CO., LTD.
- Qingeng Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Benzodiazepine derivative and use thereof
- Patent number 9,994,578
- Issue date Jun 12, 2018
- JIANGSU NHWALUOKANG PHARMCEUTICAL RESEARCH AND DEVELOPMENT CO., LTD
- 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
VORTIOXETINE ANALOGUE AND USE AND PREPARATION THEREOF
- Publication number 20210284615
- Publication date Sep 16, 2021
- Qingeng LI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Benzodiazepine Derivative Hydrochloride and Crystal Form, Preparati...
- Publication number 20210002283
- Publication date Jan 7, 2021
- JIANGSU NHWALUOKANG PHARMACEUTICAL RESEARCH AND DEVELOPMENT CO., LTD.
- Qingeng Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WATER-SOLUBLE ALLOPREGNENOLONE DERIVATIVE AND USE THEREOF
- Publication number 20190322698
- Publication date Oct 24, 2019
- JIANGSU NHWALUOKANG PHARMACEUTICAL RESEARCH AND DEVELOPMENT CO., LTD.
- Qingeng LI
- C07 - ORGANIC CHEMISTRY
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
NEW BENZODIAZEPINE DERIVATIVE AND USE THEREOF
- Publication number 20170217965
- Publication date Aug 3, 2017
- Qingeng LI
- C07 - ORGANIC CHEMISTRY
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

Person

Patents Grantslast 30 patents

Crystal form of ethyl (S)-3-(8-bromo-1-methyl-6-(pyridin-2-yl)-4H-b...

Etomidate derivative and intermediate, preparation method and use t...

Carboxylic acid derivatives and use thereof in the preparation of p...

Benzodiazepine derivative and use thereof

Water-soluble taxane derivatives and uses thereof

Water-soluble propofol derivatives and uses thereof

Patents Applicationslast 30 patents

VORTIOXETINE ANALOGUE AND USE AND PREPARATION THEREOF

Benzodiazepine Derivative Hydrochloride and Crystal Form, Preparati...

WATER-SOLUBLE ALLOPREGNENOLONE DERIVATIVE AND USE THEREOF

ETOMIDATE DERIVATIVE AND INTERMEDIATE, PREPARATION METHOD AND USE T...

NEW BENZODIAZEPINE DERIVATIVE AND USE THEREOF

CARBOXYLIC ACID DERIVATIVES AND USE THEREOF IN THE PREPARATION OF P...

WATER-SOLUBLE TAXANE DERIVATIVES AND USES THEREOF

WATER-SOLUBLE PROPOFOL DERIVATIVES AND USES THEREOF