Inventor · disambiguated record
Shien-Chang Chen
Also filed as: CHEN SHIEN C · CHEN SHIEN-CHANG
13 granted patents·2 pending applications·174 citations·filing 1989–2014
92Inventor score
Top patents by PatentIndex Score
15 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
- 0371US5916677AProcess for producing polyester fiber having improved dyeability, elongation and strength, and polyester fiber therefromDAIREN CHEMICAL CORP·Filed 1998·Granted Jun 29, 1999·33 cites·14 claims
- 0467US5144062AProcess for producing methyl formateDAIREN CHEMICAL CORP·Filed 1990·Granted Sep 1, 1992·11 cites·5 claims
- 0563US5426250AProcess for preparing 1,4-butanediolDAIREN CHEMICAL CORP·Filed 1994·Granted Jun 20, 1995·17 cites·3 claims
- 0662US7265243B2Catalytic oxacylation vapor phase processDAIREN CHEMICAL CORP·Filed 2004·Granted Sep 4, 2007·5 cites·9 claims
- 0757US6303536B1Process of preparing catalyst for producing alkenyl acetatesDAIREN CHEMICAL COORPORATION·Filed 1999·Granted Oct 16, 2001·24 cites·6 claims
- 0855US6313262B1Method for preparing polyether polyol and copolymer thereofDAIREN CHEMICAL CORP·Filed 1999·Granted Nov 6, 2001·14 cites·29 claims
- 0953US9150473B2Method for producing allyl alcoholDAIREN CHEMICAL CORP·Filed 2014·Granted Oct 6, 2015·0 cites·14 claims
- 1049US6998461B2Modified polyester fiber and process for producing the sameDAIREN CHEMICAL CORP·Filed 2003·Granted Feb 14, 2006·1 cites·7 claims
- 1149US5917061AProcess for producing cyclic ethers by liquid phase reactionDAIREN CHEMICAL CORP·Filed 1998·Granted Jun 29, 1999·4 cites·7 claims
- 1244US5888923AModified Raney nickel catalyst and a process for preparing diols by using the sameDAIREN CHEMICAL CORP·Filed 1996·Granted Mar 30, 1999·13 cites·13 claims
- 1342US2002120154A1Method for preparing lactamDAIREN CHEMICAL CORP·Filed 2001·Application pending·0 cites
- 1436US4999177AProcess for the preparation of high purity carbon monoxideDAIREN CHEMICAL CORP·Filed 1989·Granted Mar 12, 1991·4 cites·1 claims
- 1525US2003148882A1Catalyst for oxacylation and use of the sameFiled 1999·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Shien-Chang Chen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →