Zhiguo Zheng

Person

Taizhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparation of Asenapine
- Patent number 11,958,858
- Issue date Apr 16, 2024
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Zhiguo Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for synthesis of eliglustat and intermediate compounds thereof
- Patent number 11,697,644
- Issue date Jul 11, 2023
- Zhejiang Ausun Pharmaceutical Co., Ltd
- Yu Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for preparation of Asenapine
- Patent number 11,535,628
- Issue date Dec 27, 2022
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Zhiguo Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nebivolol synthesis method and intermediate compound thereof
- Patent number 11,142,512
- Issue date Oct 12, 2021
- Zhejiang Ausun Pharmaceutical Co., Ltd
- Zhiguo Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Posaconazole, composition, intermediate, preparation method and use...
- Patent number 10,696,643
- Issue date Jun 30, 2020
- Zhejiang Ausun Pharmaceutical Co., Ltd
- Zhiguo Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nebivolol synthesis method and intermediate compound thereof
- Patent number 10,526,304
- Issue date Jan 7, 2020
- Zhejiang Ausun Pharmaceutical Co., Ltd
- Zhiguo Zheng
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for synthesis of Eliglustat and intermediate compounds thereof
- Patent number 9,988,364
- Issue date Jun 5, 2018
- Zhejiang Ausun Pharmaceutical Co., Ltd
- Yu Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Entecavir synthesis method and intermediate compound thereof
- Patent number 9,309,249
- Issue date Apr 12, 2016
- Zhejiang Ausun Pharmaceutical Co., Ltd
- Zhiguo Zheng
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Preparation method of lifitegrast and intermediate compounds thereof
- Publication number 20240383879
- Publication date Nov 21, 2024
- THE FIRST AFFILIATED HOSPITAL ZHEJIANG UNIVERSITY SCHOOL OF MEDICINE
- Xiawei WANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF 5-BROMO-2-CHLORO-BENZOIC ACID AS A SYNTHETIC...
- Publication number 20240351970
- Publication date Oct 24, 2024
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Yunfeng LI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYNTHESIS AND USE OF 1-BENZYL-4-METHYL-5-ALKOXY-1,2,3,6-TETRAHYDROP...
- Publication number 20240279179
- Publication date Aug 22, 2024
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Yunfeng LI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF PILOCARPINE AND ITS INTERMEDIATE COMPOUNDS
- Publication number 20240228425
- Publication date Jul 11, 2024
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Chunguang DAI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
RUXOLITINIB CRYSTAL AND PHARMACEUTICAL COMPOSITION THEREOF
- Publication number 20240166654
- Publication date May 23, 2024
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Liangang SHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
APPLICATION OF BZP IN TREATMENT OF ISCHEMIC CARDIOVASCULAR AND CERE...
- Publication number 20230398087
- Publication date Dec 14, 2023
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Zhiguo ZHENG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PREPARATION OF ASENAPINE
- Publication number 20230159549
- Publication date May 25, 2023
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Zhiguo ZHENG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NEBIVOLOL SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF
- Publication number 20220056003
- Publication date Feb 24, 2022
- Zhejiang Ausun Pharmaceutical Co., Ltd.
- Zhiguo ZHENG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PREPARATION OF ASENAPINE
- Publication number 20210047339
- Publication date Feb 18, 2021
- ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
- Zhiguo ZHENG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NEBIVOLOL SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF
- Publication number 20200102282
- Publication date Apr 2, 2020
- Zhejiang Ausun Pharmaceutical Co., Ltd.
- Zhiguo ZHENG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PROCESS FOR SYNTHESIS OF ELIGLUSTAT AND INTERMEDIATE COMPOUNDS THEREOF
- Publication number 20200031808
- Publication date Jan 30, 2020
- Zhejiang Ausun Pharmaceutical Co., Ltd.
- Yu LIU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POSACONAZOLE, COMPOSITION, INTERMEDIATE, PREPARATION METHOD THEREFO...
- Publication number 20190071408
- Publication date Mar 7, 2019
- Zhejiang Ausun Pharmaceutical Co., Ltd.
- Zhiguo Zheng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NEBIVOLOL SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF
- Publication number 20180141926
- Publication date May 24, 2018
- Zhejiang Ausun Pharmaceutical Co., Ltd.
- Zhiguo ZHENG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ENTECAVIR SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF
- Publication number 20130217879
- Publication date Aug 22, 2013
- AUSUN PHARMATECH. CO., LTD.
- Zhiguo Zheng
- C07 - ORGANIC CHEMISTRY

Zhiguo Zheng

Person

Patents Grantslast 30 patents

Method for preparation of Asenapine

Process for synthesis of eliglustat and intermediate compounds thereof

Method for preparation of Asenapine

Nebivolol synthesis method and intermediate compound thereof

Posaconazole, composition, intermediate, preparation method and use...

Nebivolol synthesis method and intermediate compound thereof

Process for synthesis of Eliglustat and intermediate compounds thereof

Entecavir synthesis method and intermediate compound thereof

Patents Applicationslast 30 patents

Preparation method of lifitegrast and intermediate compounds thereof

PREPARATION METHOD OF 5-BROMO-2-CHLORO-BENZOIC ACID AS A SYNTHETIC...

SYNTHESIS AND USE OF 1-BENZYL-4-METHYL-5-ALKOXY-1,2,3,6-TETRAHYDROP...

PREPARATION METHOD OF PILOCARPINE AND ITS INTERMEDIATE COMPOUNDS

RUXOLITINIB CRYSTAL AND PHARMACEUTICAL COMPOSITION THEREOF

APPLICATION OF BZP IN TREATMENT OF ISCHEMIC CARDIOVASCULAR AND CERE...

METHOD FOR PREPARATION OF ASENAPINE

NEBIVOLOL SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF

METHOD FOR PREPARATION OF ASENAPINE

NEBIVOLOL SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF

PROCESS FOR SYNTHESIS OF ELIGLUSTAT AND INTERMEDIATE COMPOUNDS THEREOF

POSACONAZOLE, COMPOSITION, INTERMEDIATE, PREPARATION METHOD THEREFO...

NEBIVOLOL SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF

ENTECAVIR SYNTHESIS METHOD AND INTERMEDIATE COMPOUND THEREOF