Assignee
DL CHEMICAL CO LTD
KR·15 granted patents·6 pending applications·18 citations·filing 2019–2025
Top patents by PatentIndex Score
21 records- 0196US11332553B2Catalyst composition for polymerizing polyolefin, method for producing polyolefin, and polyolefin resinDL CHEMICAL CO LTD·Filed 2019·Granted May 17, 2022·10 cites·5 claims
- 0292US11332549B2Method for producing multimodal polyolefin using multistage continuous polymerization processDL CHEMICAL CO LTD·Filed 2020·Granted May 17, 2022·3 cites·15 claims
- 0392US11214638B2Method for producing highly reactive polybuteneDL CHEMICAL CO LTD·Filed 2020·Granted Jan 4, 2022·2 cites·12 claims
- 0491US11680160B2Polyolefin resin composition and production method of sameDL CHEMICAL CO LTD·Filed 2019·Granted Jun 20, 2023·3 cites·9 claims
- 0580US12304982B2Polyolefin polymer and polyolefin polymerization system and methodDL CHEMICAL CO LTD·Filed 2024·Granted May 20, 2025·0 cites·18 claims
- 0672US2025002700A1Impact modifier compositionsDL CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 0770US11851555B2Polybutene derivative for rubber compounding and rubber composition including sameDL CHEMICAL CO LTD·Filed 2021·Granted Dec 26, 2023·0 cites·18 claims
- 0869US2024132636A1Polyolefin resin prepared using heterogeneous catalyst and method of preparing sameDL CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 0967US2023357551A1Rubber process oil and rubber composition including sameDL CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 1066US12049526B2Olefin polymerization method using antistatic agent for metallocene olefin polymerization processDL CHEMICAL CO LTD·Filed 2021·Granted Jul 30, 2024·0 cites·6 claims
- 1164US11840588B2Polyolefin resin and preparation method thereofDL CHEMICAL CO LTD·Filed 2022·Granted Dec 12, 2023·0 cites·10 claims
- 1264US11111456B2Lubricant composition for hydraulic oilDL CHEMICAL CO LTD·Filed 2019·Granted Sep 7, 2021·0 cites·11 claims
- 1362US11891515B2Modified polyisobutylene polymer for rubber compounding and rubber composition including sameDL CHEMICAL CO LTD·Filed 2021·Granted Feb 6, 2024·0 cites·9 claims
- 1461US2025206860A1Ethylene/alpha-olefin copolymer and method for preparing sameDL CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 1559US11180589B2Metallocene catalyst compound for production of polyolefin resin or method of preparing sameDL CHEMICAL CO LTD·Filed 2020·Granted Nov 23, 2021·0 cites·9 claims
- 1658US11718691B2Modified polyisobutylene polymer for rubber compounding and rubber composition comprising sameDL CHEMICAL CO LTD·Filed 2020·Granted Aug 8, 2023·0 cites·16 claims
- 1756US2025197757A1Lubricating oil viscosity index improver and lubricating oil composition containing the sameDL CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 1855US11214531B2Alphaolefin oligomer having uniform structure and method of preparing sameDL CHEMICAL CO LTD·Filed 2019·Granted Jan 4, 2022·0 cites·13 claims
- 1953US11261399B2Lubricant composition for gear oilDL CHEMICAL CO LTD·Filed 2019·Granted Mar 1, 2022·0 cites·8 claims
- 2052US11180583B2Polyalphaolefin having uniform structure and method of preparing sameDL CHEMICAL CO LTD·Filed 2019·Granted Nov 23, 2021·0 cites·7 claims
- 2152US2025296064A1Fluidized bed polymerization reactorDL CHEMICAL CO LTD·Filed 2025·Application pending·0 cites
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