I-Hsing Lin

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Shanghai, CN

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Patents Grantslast 30 patents

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
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