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EP 4 097 153 A1

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(43) Date of publication: 07.12.2022 Bulletin 2022/49 (21) Application number: 20712074.2 (22) Date of filing: 27.01.2020

(51) International Patent Classification (IPC):  C08F 4/659(2006.01) C08F 110/02(2006.01) C08F 4/6592(2006.01) C08F 110/00(2006.01) C08F 110/06(2006.01) B01J 29/04(2006.01) (52) Cooperative Patent Classification (CPC): C08F 110/00; C08F 110/06; C08F 110/02   C-Sets: C08F 110/00, C08F 4/65916; C08F 110/06, C08F 4/65927; C08F 110/02, C08F 4/65925; (86) International application number: PCT/US2020/015217 (87) International publication number: WO 2021/154204 (05.08.2021 Gazette 2021/31)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Formosa Plastics Corporation, U.S.A. Livingston, NJ 07039 (US)

(72) Inventors: JENSEN, Michael D. Palacios, Texas 77465 (US) CHUNG, Kevin Port Lavaca, Texas 77979 (US) WANG, Daoyong Victoria, Texas 77901 (US) SHIH, Wei-Chun Lawrenceville, New Jersey 08648 (US) XU, Guangxue Port Lavaca, Texas 77979 (US) CHEN, Chih-Jian Port Lavaca, Texas 77979 (US) JOHNSON II, Charles R. Port Lavaca, Texas 77979 (US) COWEN, Mary Lou Port Lavaca, Texas 77979 (US) (74) Representative: Heinonen & Co  Attorneys-at-Law Ltd Fabianinkatu 29 B 00100 Helsinki 00100 Helsinki (FI)