(19)

(11)

EP 4 222 047 A1

(12)

(43) Date of publication: 09.08.2023 Bulletin 2023/32 (21) Application number: 21876063.5 (22) Date of filing: 01.10.2021

(51) International Patent Classification (IPC):  B63B 21/50(2006.01) B63J 2/12(2006.01) B63B 21/29(2006.01) (52) Cooperative Patent Classification (CPC): B63B 21/04; B63B 2021/265; B63B 21/502; B63B 2021/262 (86) International application number: PCT/MY2021/050082 (87) International publication number: WO 2022/071793 (07.04.2022 Gazette 2022/14)

(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: 01.10.2020 MY PI2020005158 (71) Applicant: Petroliam Nasional Berhad (Petronas) 50088 Kuala Lumpur (MY)

(72) Inventors: M IQBAR, Izleena Bt Kuala Lumpur, 50088 (MY) BASHEER B OSMAN, Fauzy Omar Kuala Lumpur, 50088 (MY) GIRSANG, Christian Hariady Kuala Lumpur, 50088 (MY) RAZAK, Zahari A Kuala Lumpur, 50088 (MY) LEE, Hsiu Eik Kuala Lumpur, 50088 (MY) ADAM, Frank 01219 Dresden (DE) DAHLHAUS, Frank 01219 Dresden (DE) GROSSMANN, Habil Jochen 01219 Dresden (DE) HENNHÖFER, Carsten 18209 Bad Doberan (DE) BEYER, Michael 18209 Bad Doberan (DE) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)