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Zhengyuan Wu
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Nanjing, CN
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Patents Grants
last 30 patents
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Patent Grant
Method of preparing intermediate of salmeterol
Patent number
9,447,067
Issue date
Sep 20, 2016
Amphastar Pahmaceuticals, Inc.
Yinhua Qiu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods of preparing intermediate of fluticasone propionate
Patent number
9,303,060
Issue date
Apr 5, 2016
Amphaster Pharmaceuticals, Inc.
Yinhua Qiu
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PREPARING INTERMEDIATE OF SALMETEROL
Publication number
20160096816
Publication date
Apr 7, 2016
Amphastar Pharmaceuticals Inc.
Yinhua Qiu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHODS OF PREPARING INTERMEDIATE OF FLUTICASONE PROPIONATE
Publication number
20160096863
Publication date
Apr 7, 2016
Amphastar Pharmaceuticals Inc.
Yinhua Qiu
C07 - ORGANIC CHEMISTRY