Yonggang Xu

Person

Nanjing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Low molecular weight chondroitin sulfate, composition, preparation...
- Patent number 11,572,421
- Issue date Feb 7, 2023
- Nanjing Hanxin Pharmaceutical Technology Co., Ltd.
- Haoning Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods of resolving racemic mixture to obtain (−)-Huperzine A
- Patent number 10,829,455
- Issue date Nov 10, 2020
- Yonggang Xu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method for high purity racemic adrenaline
- Patent number 10,793,512
- Issue date Oct 6, 2020
- AMPHASTAR NANJING PHARMACEUTICALS INC.
- Yin Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of resolving racemic mixture to obtain (−)-huperzine A
- Patent number 10,287,249
- Issue date May 14, 2019
- Amphastar Pharmaceuticals, Inc.
- Yonggang Xu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of purifying idraparinux sodium
- Patent number 9,873,712
- Issue date Jan 23, 2018
- Amphastar Pharmaceuticals, Inc.
- Jundong Meng
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CENTROID ADJUSTMENT DEVICE SUITABLE FOR DIFFERENT TYPES OF LOADS
- Publication number 20240158208
- Publication date May 16, 2024
- SICHUAN AEROSPACE SYSTEM ENGINEERING INSTITUTE
- Yubin YANG
- B66 - HOISTING LIFTING HAULING
Information Patent Application
LOW MOLECULAR WEIGHT CHONDROITIN SULFATE, COMPOSITION, PREPARATION...
- Publication number 20230250199
- Publication date Aug 10, 2023
- Nanjing Hanxin Pharmaceutical Technology Co., Ltd.
- Haoning ZHANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ULTRA-LOW MOLECULAR WEIGHT HYALURONIC ACID AND PREPARATION METHOD T...
- Publication number 20220380488
- Publication date Dec 1, 2022
- NANJING HANXIN PHARMACEUTICAL TECHNOLOGY CO. LTD
- Yonggang XU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LOW MOLECULAR WEIGHT CHONDROITIN SULFATE, COMPOSITION, PREPARATION...
- Publication number 20210340283
- Publication date Nov 4, 2021
- NANJING XINLANG ENTERPRISE MANAGEMENT CONSULTING CO., LTD.
- Haoning ZHANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION METHOD FOR HIGH PURITY RACEMIC ADRENALINE
- Publication number 20200270199
- Publication date Aug 27, 2020
- AMPHASTAR NANJING PHARMACEUTICALS INC.
- Yin WANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS OF RESOLVING RACEMIC MIXTURE TO OBTAIN (-)-HUPERZINE A
- Publication number 20190210972
- Publication date Jul 11, 2019
- AMPHASTAR NANJING PHARMACEUTICALS INC.
- Yonggang Xu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS OF RESOLVING RACEMIC MIXTURE TO OBTAIN (-)-HUPERZINE A
- Publication number 20160096808
- Publication date Apr 7, 2016
- Amphastar Pharmaceuticals Inc.
- Yonggang Xu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PURIFYING IDRAPARINUX SODIUM
- Publication number 20160096856
- Publication date Apr 7, 2016
- Amphastar Pharmaceuticals Inc.
- Jundong Meng
- C07 - ORGANIC CHEMISTRY

Yonggang Xu

Person

Patents Grantslast 30 patents

Low molecular weight chondroitin sulfate, composition, preparation...

Methods of resolving racemic mixture to obtain (−)-Huperzine A

Preparation method for high purity racemic adrenaline

Methods of resolving racemic mixture to obtain (−)-huperzine A

Method of purifying idraparinux sodium

Patents Applicationslast 30 patents

CENTROID ADJUSTMENT DEVICE SUITABLE FOR DIFFERENT TYPES OF LOADS

LOW MOLECULAR WEIGHT CHONDROITIN SULFATE, COMPOSITION, PREPARATION...

ULTRA-LOW MOLECULAR WEIGHT HYALURONIC ACID AND PREPARATION METHOD T...

LOW MOLECULAR WEIGHT CHONDROITIN SULFATE, COMPOSITION, PREPARATION...

PREPARATION METHOD FOR HIGH PURITY RACEMIC ADRENALINE

METHODS OF RESOLVING RACEMIC MIXTURE TO OBTAIN (-)-HUPERZINE A

METHODS OF RESOLVING RACEMIC MIXTURE TO OBTAIN (-)-HUPERZINE A

METHOD OF PURIFYING IDRAPARINUX SODIUM