Assignee
DAIREN CHEMICAL CORP
TW·24 granted patents·4 pending applications·200 citations·filing 1988–2023
Top patents by PatentIndex Score
28 records- 0195US10767004B1Tricyclodecane dimethanol composition and uses thereofDAIREN CHEMICAL CORP·Filed 2020·Granted Sep 8, 2020·5 cites·17 claims
- 0291US10538472B1Extraction process for high-boiling aldehyde product separation and catalyst recoveryDAIREN CHEMICAL CORP·Filed 2019·Granted Jan 21, 2020·5 cites·21 claims
- 0391US6350883B1Method for preparing lactamDAIREN CHEMICAL CORP·Filed 2000·Granted Feb 26, 2002·37 cites·14 claims
- 0489US10322985B1Method and system for removal of oxygen in oxidative dehydrogenation processDAIREN CHEMICAL CORP·Filed 2018·Granted Jun 18, 2019·6 cites·14 claims
- 0581US10344123B2Polycarbonate diol and thermoplastic polyurethane made from the sameDAIREN CHEMICAL CORP·Filed 2016·Granted Jul 9, 2019·1 cites·9 claims
- 0679US11149015B2Methods for producing tetrahydrofuranDAIREN CHEMICAL CORP·Filed 2020·Granted Oct 19, 2021·1 cites·20 claims
- 0779US6323347B2Catalyst for preparing lactone and a method for preparing lactoneDAIREN CHEMICAL CORP·Filed 2000·Granted Nov 27, 2001·11 cites·18 claims
- 0874US10875961B2Polycarbonate diol and thermoplastic polyurethane made from the sameDAIREN CHEMICAL CORP·Filed 2019·Granted Dec 29, 2020·0 cites·9 claims
- 0972US5227564AProcess for the preparation of tertiary olefinsDAIREN CHEMICAL CORP·Filed 1991·Granted Jul 13, 1993·18 cites·16 claims
- 1072US4866179AProcess for the manufacture of pyridine in high yield and selectivity during a prolonged period of operationDAIREN CHEMICAL CORP·Filed 1988·Granted Sep 12, 1989·12 cites·23 claims
- 1171US5916677AProcess 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
- 1267US5144062AProcess for producing methyl formateDAIREN CHEMICAL CORP·Filed 1990·Granted Sep 1, 1992·11 cites·5 claims
- 1364US10781306B2Mortar formulation comprising long chain acrylic ester modified vinyl ester polymersDAIREN CHEMICAL CORP·Filed 2019·Granted Sep 22, 2020·0 cites·9 claims
- 1463US5426250AProcess for preparing 1,4-butanediolDAIREN CHEMICAL CORP·Filed 1994·Granted Jun 20, 1995·17 cites·3 claims
- 1562US12116435B1Vinyl acetate-ethylene copolymer and uses of the sameDAIREN CHEMICAL CORP·Filed 2023·Granted Oct 15, 2024·0 cites·14 claims
- 1662US7265243B2Catalytic oxacylation vapor phase processDAIREN CHEMICAL CORP·Filed 2004·Granted Sep 4, 2007·5 cites·9 claims
- 1762US2022064372A1Polycarbonate polyol and uses of the sameDAIREN CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 1855US6313262B1Method for preparing polyether polyol and copolymer thereofDAIREN CHEMICAL CORP·Filed 1999·Granted Nov 6, 2001·14 cites·29 claims
- 1953US9150473B2Method for producing allyl alcoholDAIREN CHEMICAL CORP·Filed 2014·Granted Oct 6, 2015·0 cites·14 claims
- 2052US2021114930A1Silicon modified vinyl acetate ethylene copolymersDAIREN CHEMICAL CORP·Filed 2020·Application pending·0 cites
- 2149US6998461B2Modified polyester fiber and process for producing the sameDAIREN CHEMICAL CORP·Filed 2003·Granted Feb 14, 2006·1 cites·7 claims
- 2249US5917061AProcess for producing cyclic ethers by liquid phase reactionDAIREN CHEMICAL CORP·Filed 1998·Granted Jun 29, 1999·4 cites·7 claims
- 2347US2020346977A1Silicon modified vinyl acetate ethylene copolymersDAIREN CHEMICAL CORP·Filed 2019·Application pending·0 cites
- 2446US10618859B2Method and system for removal of oxygen in oxidative dehydrogenation processDAIREN CHEMICAL CORP·Filed 2019·Granted Apr 14, 2020·0 cites·19 claims
- 2544US5888923AModified 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
- 2642US2002120154A1Method for preparing lactamDAIREN CHEMICAL CORP·Filed 2001·Application pending·0 cites
- 2736US4999177AProcess for the preparation of high purity carbon monoxideDAIREN CHEMICAL CORP·Filed 1989·Granted Mar 12, 1991·4 cites·1 claims
- 2822US5189214AProduction of acetic acidDAIREN CHEMICAL CORP·Filed 1991·Granted Feb 23, 1993·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →