Inventor · disambiguated record
Liang-An Hsu
Also filed as: HSU LIANG-AN
4 granted patents·2 pending applications·67 citations·filing 1999–2004
78Inventor score
Files withDAIREN CHEMICAL CORP5
Top patents by PatentIndex Score
6 records- 0191US6350883B1Method for preparing lactamDAIREN CHEMICAL CORP·Filed 2000·Granted Feb 26, 2002·37 cites·14 claims
- 0279US6323347B2Catalyst for preparing lactone and a method for preparing lactoneDAIREN CHEMICAL CORP·Filed 2000·Granted Nov 27, 2001·11 cites·18 claims
- 0362US7265243B2Catalytic oxacylation vapor phase processDAIREN CHEMICAL CORP·Filed 2004·Granted Sep 4, 2007·5 cites·9 claims
- 0455US6313262B1Method for preparing polyether polyol and copolymer thereofDAIREN CHEMICAL CORP·Filed 1999·Granted Nov 6, 2001·14 cites·29 claims
- 0542US2002120154A1Method for preparing lactamDAIREN CHEMICAL CORP·Filed 2001·Application pending·0 cites
- 0625US2003148882A1Catalyst for oxacylation and use of the sameFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →