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Yangmei City, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Efficient crystallization process for preparing ultrapure Treprosti...
Patent number
11,339,110
Issue date
May 24, 2022
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes and intermediates for the preparations of isomer free pro...
Patent number
10,822,321
Issue date
Nov 3, 2020
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of Lubiprostone and intermediates thereof
Patent number
10,457,623
Issue date
Oct 29, 2019
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes and intermediates for the preparations of isomer free pro...
Patent number
9,994,543
Issue date
Jun 12, 2018
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes and intermediates for the preparations of isomer free pro...
Patent number
9,890,135
Issue date
Feb 13, 2018
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes and intermediates for the preparations of isomer free pro...
Patent number
9,828,356
Issue date
Nov 28, 2017
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes and intermediates for the preparations of isomer free pro...
Patent number
9,540,311
Issue date
Jan 10, 2017
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes and intermediates for the preparations of isomer free pro...
Patent number
9,464,028
Issue date
Oct 11, 2016
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes and intermediates for the preparations of isomer free pro...
Patent number
9,115,109
Issue date
Aug 25, 2015
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Intermediates for the synthesis of benzindene prostaglandins and pr...
Patent number
8,658,837
Issue date
Feb 25, 2014
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Intermediates for the synthesis of benzindene prostaglandins and pr...
Patent number
8,524,939
Issue date
Sep 3, 2013
Chirogate International Inc.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
EFFICIENT CRYSTALLIZATION PROCESS FOR PREPARING ULTRAPURE TREPROSTI...
Publication number
20210188757
Publication date
Jun 24, 2021
CHIROGATE INTERNATIONAL INC.
SHIH-YI WEI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20180251442
Publication date
Sep 6, 2018
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20180050999
Publication date
Feb 22, 2018
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20170073323
Publication date
Mar 16, 2017
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20170015646
Publication date
Jan 19, 2017
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20160016883
Publication date
Jan 21, 2016
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20150336923
Publication date
Nov 26, 2015
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20150336921
Publication date
Nov 26, 2015
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF ISOMER FREE PRO...
Publication number
20150051410
Publication date
Feb 19, 2015
CHIROGATE INTERNATIONAL INC.
Shih-Yi Wei
C07 - ORGANIC CHEMISTRY
Information
Patent Application
INTERMEDIATES FOR THE SYNTHESIS OF BENZINDENE PROSTAGLANDINS AND PR...
Publication number
20130317245
Publication date
Nov 28, 2013
CHIROGATE INTERNATIONAL INC.
Shih-Yi WEI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
INTERMEDIATES FOR THE SYNTHESIS OF BENZINDENE PROSTAGLANDINS AND PR...
Publication number
20130053581
Publication date
Feb 28, 2013
CHIROGATE INTERNATIONAL INC.
Shih-Yi WEI
C07 - ORGANIC CHEMISTRY