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EP 4 363 523 A1

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(43) Date of publication: 08.05.2024 Bulletin 2024/19 (21) Application number: 22833956.0 (22) Date of filing: 24.06.2022

(51) International Patent Classification (IPC):  C10G 1/10(2006.01) C10G 5/00(2006.01) B29B 17/04(2006.01) C10G 1/00(2006.01) C10G 70/00(2006.01) (52) Cooperative Patent Classification (CPC): C10G 1/10; C10G 1/002; C10G 11/18; C10G 3/00; C10G 35/00; C10G 9/00 (86) International application number: PCT/US2022/034848 (87) International publication number: WO 2023/278261 (05.01.2023 Gazette 2023/01)

(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 (30) Priority: 30.06.2021 US 202163202912 P (71) Applicant: Eastman Chemical Company Kingsport, TN 37660 (US)

(72) Inventors: WU, Xianchun Longview, TX 75605 (US) BITTING, Daryl Longview, TX 75604 (US) PARKER, Kenny, Randolph Afton, TN 37616 (US) POLASEK, Michael, Gary Longview, TX 75605 (US) SLIVENSKY, David, Eugene Tatum, TX 75691 (US) (74) Representative: Ricker, Mathias  Wallinger Ricker Schlotter Tostmann Patent- und Rechtsanwälte Partnerschaft mbB Zweibrückenstraße 5-7 80331 München 80331 München (DE)