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Baoshan Shanghai, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing of ultra-clean and high-purity aqueous hydroge...
Patent number
8,715,613
Issue date
May 6, 2014
Shanghai Chemical Reagent Research Institute
Jiarong Zhan
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing of ultra-clean and high-purity electronic grad...
Patent number
8,586,788
Issue date
Nov 19, 2013
Asia Union Electronic Chemical Corporation Shanghai
Jiarong Zhan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing of ultra-clean and high-purity electronic grad...
Patent number
8,540,960
Issue date
Sep 24, 2013
Shanghai Chemical Reagent Research Institute
Jiarong Zhan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing of ultra-clean and high-purity N-methyl pyrrol...
Patent number
8,519,157
Issue date
Aug 27, 2013
Shanghai Chemical Reagent Research Institute
Jiarong Zhan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Manufacture method of ultra-pure sulfuric acid
Patent number
8,303,925
Issue date
Nov 6, 2012
Asian Union Electronic Chemical Corp. Shanghai
Jiarong Zhan
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method for producing electronic grade aqueous ammonium fluoride sol...
Publication number
20120145949
Publication date
Jun 14, 2012
SHANGAI HUAYI MICROELECTRONIC MATERIAL CO., LTD.
Jiarong Zhan
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING ULTRA-PURE AQUEOUS HYDROGEN PEROXIDE SOLUTION
Publication number
20120148482
Publication date
Jun 14, 2012
Shanghai Huayi Microelectronic Material Co., Ltd.
Hui Tang
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING OF ULTRA-CLEAN AND HIGH-PURITY AQUEOUS HYDROGE...
Publication number
20120141357
Publication date
Jun 7, 2012
Shanghai Chemical Reagent Research Institute
Jiarong Zhan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING OF ULTRA-CLEAN AND HIGH-PURITY N-METHYL PYRROL...
Publication number
20120071670
Publication date
Mar 22, 2012
Shanghai Chemical Regent Research Institute
Jiarong Zhan
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING OF ULTRA-CLEAN AND HIGH-PURITY ELECTRONIC GRAD...
Publication number
20120067714
Publication date
Mar 22, 2012
Jiarong ZHAN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MANUFACTURE METHOD OF ULTRA-PURE SULFURIC ACID
Publication number
20110318260
Publication date
Dec 29, 2011
Shanghai Huayi Microelectric Material Co., Ltd.
Jiarong Zhan
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING OF ULTRA-CLEAN AND HIGH-PURITY ELECTRONIC GRAD...
Publication number
20110094872
Publication date
Apr 28, 2011
Jiarong ZHAN
C07 - ORGANIC CHEMISTRY