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last 30 patents
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Patent Grant
Thiophene derivatives
Patent number
10,611,775
Issue date
Apr 7, 2020
Tianjin Hemay Pharmaceutical Co., Ltd.
Hesheng Zhang
C07 - ORGANIC CHEMISTRY
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
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
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
Patents Applications
last 30 patents
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Patent Application
THIOPHENE DERIVATIVES
Publication number
20190322684
Publication date
Oct 24, 2019
TIANJIN HEMAY PHARMACEUTICAL 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
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
THIOPHENE DERIVATIVES
Publication number
20120107269
Publication date
May 3, 2012
Tianjin Hemay Biotech Co., Ltd
Hesheng Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE