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Patents Grants
last 30 patents
Information
Patent Grant
Piperidine-2, 6-dione derivatives and their use as tumor necrosis f...
Patent number
10,406,147
Issue date
Sep 10, 2019
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Thiophene derivatives
Patent number
10,385,062
Issue date
Aug 20, 2019
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine-2, 6-dione derivatives and their use as tumor necrosis f...
Patent number
10,166,222
Issue date
Jan 1, 2019
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine-2, 6-dione derivatives and their use as tumor necrosis f...
Patent number
9,669,015
Issue date
Jun 6, 2017
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Thiophene derivatives
Patent number
9,630,975
Issue date
Apr 25, 2017
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Cyanoquinoline derivatives
Patent number
9,187,458
Issue date
Nov 17, 2015
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tetracyclic anthraquinone antibiotic derivatives with high activity...
Patent number
9,115,165
Issue date
Aug 25, 2015
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine-2, 6-dione derivatives and their use as tumor necrosis f...
Patent number
9,085,563
Issue date
Jul 21, 2015
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Thiophene derivatives
Patent number
8,952,178
Issue date
Feb 10, 2015
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Epirubicin derivatives
Patent number
8,877,720
Issue date
Nov 4, 2014
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polymorphs of N-(6-(4-chlorophenoxy)hexyl)-N′-cyano-N″-(4-pyridyl)g...
Patent number
8,859,594
Issue date
Oct 14, 2014
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine-2, 6-dione derivatives and their use as tumor necrosis f...
Patent number
8,637,545
Issue date
Jan 28, 2014
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Use of 5H-thioeno(3,4-c)pyrrole-4,6-dione derivatives as tumor necr...
Patent number
8,524,742
Issue date
Sep 3, 2013
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymorphs of donepezil salts, preparation methods and uses thereof
Patent number
8,501,779
Issue date
Aug 6, 2013
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing Donepezil and its derivatives
Patent number
8,318,942
Issue date
Nov 27, 2012
Tianjin Hemay Bio-Tech Co., Ltd.
Heshang Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5H-thioeno(3,4-c)pyrrole-4,6-dione derivatives and their use as tum...
Patent number
8,183,260
Issue date
May 22, 2012
Tianjin Hemay Bio-Tech Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
PIPERIDINE-2,6-DIONE DERIVATIVES AND ULCERATIVE COLITIS TREATING
Publication number
20190389835
Publication date
Dec 26, 2019
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng ZHANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PIPERIDINE-2, 6-DIONE DERIVATIVES AND THEIR USE AS TUMOR NECROSIS F...
Publication number
20190247383
Publication date
Aug 15, 2019
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PIPERIDINE-2, 6-DIONE DERIVATIVES AND THEIR USE AS TUMOR NECROSIS F...
Publication number
20180050025
Publication date
Feb 22, 2018
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
THIOPHENE DERIVATIVES
Publication number
20170197982
Publication date
Jul 13, 2017
TIANJIN HEMAY BIO-TECH CO., LTD.
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CYANOQUINOLINE DERIVATIVES
Publication number
20160185728
Publication date
Jun 30, 2016
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PIPERIDINE-2, 6-DIONE DERIVATIVES AND THEIR USE AS TUMOR NECROSIS F...
Publication number
20150272940
Publication date
Oct 1, 2015
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Tetracyclic Anthraquinone Derivatives
Publication number
20150166595
Publication date
Jun 18, 2015
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
THIOPHENE DERIVATIVES
Publication number
20140255342
Publication date
Sep 11, 2014
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PIPERIDINE-2, 6-DIONE DERIVATIVES AND THEIR USE AS TUMOR NECROSIS F...
Publication number
20140179737
Publication date
Jun 26, 2014
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHS OF N-(6-(4-CHLOROPHENOXY)HEXYL)-N'-CYANO-N"-(4-PYRIDYL)G...
Publication number
20130281494
Publication date
Oct 24, 2013
TIANJIN MICHELE SCI-TECH DEVELOPMENT CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CYANOQUINOLINE DERIVATIVES
Publication number
20130225579
Publication date
Aug 29, 2013
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMORPHS OF DALFAMPRIDINE, PREPARATIONS AND USES THEREOF
Publication number
20130197040
Publication date
Aug 1, 2013
TIANJIN MICHELE SCI-TECH DEVELOPMENT CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
SALTS OF 3-(4-AMINO-1-OXO-1,3-DIHYDRO-ISOINDOL-2-YL)PIPERIDINE-2,6-...
Publication number
20130131112
Publication date
May 23, 2013
TIANJIN MICHELE SCI-TECH DEVELOPMENT CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Epirubicin Derivatives
Publication number
20130131001
Publication date
May 23, 2013
Tianjin Michele Sci-Tech Development Co.,
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
USE OF 5H-THIOENO(3,4-c)PYRROLE-4,6-DIONE DERIVATIVES AS TUMOR NECR...
Publication number
20120220631
Publication date
Aug 30, 2012
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
THIOPHENE DERIVATIVES
Publication number
20120107269
Publication date
May 3, 2012
Tianjin Hemay Biotech Co., Ltd
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PHARMACEUTICAL COMPOSITIONS COMPRISING PYRIDYL CYANOGUANIDINE, PROC...
Publication number
20120029036
Publication date
Feb 2, 2012
TIANJIN MICHELE SCI-TECH DEVELOPMENT CO., LTD
Hesheng Zhang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TETRACYCLIC ANTHRAQUINONE ANTIBIOTIC DERIVATIVES WITH HIGH ACTIVITY...
Publication number
20110224161
Publication date
Sep 15, 2011
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SALTS OF 3-(4-AMINO-1-OXO-1,3-DIHYDRO-ISOINDOL-2-YL)PIPERIDINE-2,6-...
Publication number
20110060010
Publication date
Mar 10, 2011
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYMORPHS OF DONEPEZIL SALTS, PREPARATION METHODS AND USES THEREOF
Publication number
20100311793
Publication date
Dec 9, 2010
TIANJIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel process for preparing dopenzil and its derivatives
Publication number
20070072905
Publication date
Mar 29, 2007
TIAN JIN HEMAY BIO-TECH CO., LTD
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
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