Inventor · disambiguated record

Yuan-Szu Chang

Also filed as: CHANG YUAN-SZU

1 granted patent·1 pending application·0 citations·filing 2003–2005

4Inventor score

Technology areasC07C C07D

Files withLU LING1 TAIWAN SALT IND CORP1

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2 records

0134US2007155962A1Process for preparing titanyl phthalocyanineLU LING·Filed 2005·Application pending·0 cites
0224US7183437B2Method for preparing three types of benzidine compounds in a specific ratioTAIWAN SALT IND CORP·Filed 2003·Granted Feb 27, 2007·0 cites·9 claims

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Yuan-Szu Chang — Patent Inventor | PatentIndex