Xuemei Li

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Sterol derivatives and preparation method and uses thereof
- Patent number 12,227,541
- Issue date Feb 18, 2025
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO., LTD.
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sterol derivatives and preparation method and uses thereof
- Patent number 11,845,774
- Issue date Dec 19, 2023
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO., LTD.
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sterol derivatives and preparation method and uses thereof
- Patent number 11,845,775
- Issue date Dec 19, 2023
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO., LTD.
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sterol derivatives and preparation method and uses thereof
- Patent number 11,634,454
- Issue date Apr 25, 2023
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO., LTD.
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sterol derivatives and preparation method and uses thereof
- Patent number 10,889,612
- Issue date Jan 12, 2021
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO., LTD.
- Zhenwen Duan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stopping device for conveying process of object and conveyor system
- Patent number 10,364,106
- Issue date Jul 30, 2019
- BOE Technology Group Co., Ltd.
- Peng Di
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Compound, and separation method, synthesis method and use thereof
- Patent number 10,099,998
- Issue date Oct 16, 2018
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO., LTD.
- Zhenwen Duan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sterol derivative, preparation method therefor and use thereof
- Patent number 10,093,695
- Issue date Oct 9, 2018
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO., LTD.
- Zhenwen Duan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound separated from monascus-fermented rice,the preparation met...
- Patent number 9,371,304
- Issue date Jun 21, 2016
- Beijing Peking University WBL Biotech Co. Ltd
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
FULLY-AUTOMATIC PROTEIN PURIFICATION SYSTEM DEVICE AND USE THEREOF
- Publication number 20230191284
- Publication date Jun 22, 2023
- THE INSTITUTE OF BIOPHYSICS OF THE CHINESE ACADEMY OF SCIENCES
- Xianjin OU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF
- Publication number 20220402967
- Publication date Dec 22, 2022
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF
- Publication number 20220389051
- Publication date Dec 8, 2022
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF
- Publication number 20220387453
- Publication date Dec 8, 2022
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF
- Publication number 20210047364
- Publication date Feb 18, 2021
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF
- Publication number 20210024570
- Publication date Jan 28, 2021
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
STOPPING DEVICE FOR CONVEYING PROCESS OF OBJECT AND CONVEYOR SYSTEM
- Publication number 20190023499
- Publication date Jan 24, 2019
- BOE TECHNOLOGY GROUP CO., LTD.
- Peng DI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
COMPOUND, AND SEPARATION METHOD, SYNTHESIS METHOD AND USE THEREOF
- Publication number 20180022688
- Publication date Jan 25, 2018
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
STEROLS DERIVATIVE, AND PREPARATION METHOD AND PURPOSE THEREOF
- Publication number 20150031657
- Publication date Jan 29, 2015
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
STEROL DERIVATIVE, PREPARATION METHOD THEREFOR AND USE THEREOF
- Publication number 20150025130
- Publication date Jan 22, 2015
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR DETERMINING THE CONCENTRATION OF HMG-COA REDUCTASE INHIB...
- Publication number 20130309705
- Publication date Nov 21, 2013
- BEIJING PEKING UNIVERSITY WBL BIOTECH CO. LTD
- Zhenwen Duan
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Compound Separated from Monascus-Fermented Rice,The Preparation Met...
- Publication number 20130310450
- Publication date Nov 21, 2013
- Beijing Peking University WBL Biotech Co., Ltd
- Zhenwen Duan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Person

Patents Grantslast 30 patents

Sterol derivatives and preparation method and uses thereof

Sterol derivatives and preparation method and uses thereof

Sterol derivatives and preparation method and uses thereof

Sterol derivatives and preparation method and uses thereof

Sterol derivatives and preparation method and uses thereof

Stopping device for conveying process of object and conveyor system

Compound, and separation method, synthesis method and use thereof

Sterol derivative, preparation method therefor and use thereof

Compound separated from monascus-fermented rice,the preparation met...

Patents Applicationslast 30 patents

FULLY-AUTOMATIC PROTEIN PURIFICATION SYSTEM DEVICE AND USE THEREOF

STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF

STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF

STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF

STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF

STEROL DERIVATIVES AND PREPARATION METHOD AND USES THEREOF

STOPPING DEVICE FOR CONVEYING PROCESS OF OBJECT AND CONVEYOR SYSTEM

COMPOUND, AND SEPARATION METHOD, SYNTHESIS METHOD AND USE THEREOF

STEROLS DERIVATIVE, AND PREPARATION METHOD AND PURPOSE THEREOF

STEROL DERIVATIVE, PREPARATION METHOD THEREFOR AND USE THEREOF

METHOD FOR DETERMINING THE CONCENTRATION OF HMG-COA REDUCTASE INHIB...

Compound Separated from Monascus-Fermented Rice,The Preparation Met...