Inventor · disambiguated record
Da-Young Hwang
Also filed as: HWANG DA-YOUNG
10 granted patents·11 pending applications·2 citations·filing 2019–2024
77Inventor score
Files withSK CHEMICALS CO LTD21
Top patents by PatentIndex Score
21 records- 0187US12331175B2Polyester film and preparation method thereofSK CHEMICALS CO LTD·Filed 2024·Granted Jun 17, 2025·0 cites·6 claims
- 0286US12018118B2Polyester resin comprising regenerated bis(2-hydroxyethyl)terephthalate and filmSK CHEMICALS CO LTD·Filed 2023·Granted Jun 25, 2024·1 cites·14 claims
- 0381US11993706B2Polyester film and preparation method thereforSK CHEMICALS CO LTD·Filed 2019·Granted May 28, 2024·1 cites·16 claims
- 0477US12351679B2Crystalline polyester resin and manufacturing method thereofSK CHEMICALS CO LTD·Filed 2024·Granted Jul 8, 2025·0 cites·20 claims
- 0572US12071525B2Polyester film and preparation method thereofSK CHEMICALS CO LTD·Filed 2019·Granted Aug 27, 2024·0 cites·14 claims
- 0671US2025382413A1Polyester resin and preparation method thereforSK CHEMICALS CO LTD·Filed 2024·Application pending·0 cites
- 0768US2025382433A1Method for producing polyester resin by using regenerated bis(2-hydroxyethyl) terephthalate aqueous solutionSK CHEMICALS CO LTD·Filed 2023·Application pending·0 cites
- 0868US2025236703A1Method for producing polyester copolymer using reused bis-2-hydroxyethyl terephthalateSK CHEMICALS CO LTD·Filed 2022·Application pending·0 cites
- 0967US12275826B2Polyester resin using recycled bis(2-hydroxyethyl) terephthalate and article including sameSK CHEMICALS CO LTD·Filed 2023·Granted Apr 15, 2025·0 cites·12 claims
- 1067US12077634B2Method for purifying bis-2-hydroxylethyl terephthalate and polyester resin comprising sameSK CHEMICALS CO LTD·Filed 2021·Granted Sep 3, 2024·0 cites·14 claims
- 1166US2024336729A1Extrusion blown resin having excellent extrusion processability and recyclable and composition comprising thereofSK CHEMICALS CO LTD·Filed 2022·Application pending·0 cites
- 1265US2024409683A1Polyester copolymer having improved extrusion processability, comprising recycled monomerSK CHEMICALS CO LTD·Filed 2022·Application pending·0 cites
- 1364US12264244B2Polyester resin blendSK CHEMICALS CO LTD·Filed 2020·Granted Apr 1, 2025·0 cites·12 claims
- 1464US2024270901A1Polyester copolymer comprising recycled monomersSK CHEMICALS CO LTD·Filed 2022·Application pending·0 cites
- 1563US2024002593A1Production method for polyester copolymer comprising recycled monomersSK CHEMICALS CO LTD·Filed 2021·Application pending·0 cites
- 1663US2024002588A1Polyester copolymer comprising recycled monomersSK CHEMICALS CO LTD·Filed 2021·Application pending·0 cites
- 1761US12168723B2Stretched polyester film and method for preparing the sameSK CHEMICALS CO LTD·Filed 2023·Granted Dec 17, 2024·0 cites·10 claims
- 1861US2023101243A1Polyester copolymer comprising recycled monomersSK CHEMICALS CO LTD·Filed 2021·Application pending·0 cites
- 1957US12415886B2Polyester resin blend and article formed from the sameSK CHEMICALS CO LTD·Filed 2020·Granted Sep 16, 2025·0 cites·11 claims
- 2052US2021380770A1Polyester film and method for preparing sameSK CHEMICALS CO LTD·Filed 2019·Application pending·0 cites
- 2151US2021163734A1Polyester copolymer having excellent chemical resistance and transparencySK CHEMICALS CO LTD·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →