(19)

(11)

EP 3 487 890 A1

(12)

(43) Date of publication: 29.05.2019 Bulletin 2019/22 (21) Application number: 16909626.0 (22) Date of filing: 22.07.2016

(51) International Patent Classification (IPC):  C08F 4/48(2006.01) C08F 136/14(2006.01) C08C 19/25(2006.01) C08F 36/14(2006.01) C08F 236/14(2006.01) C08L 9/00(2006.01) (86) International application number: PCT/RU2016/000474 (87) International publication number: WO 2018/016987 (25.01.2018 Gazette 2018/04)

(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: MA MD (71) Applicant: Public Joint Stock Company "Sibur Holding" Tobolsk, Tyumen region 626150 (RU)	(72) Inventors: AVERKOV, Alexey Mikhailovich Azovsky r-n Omskaya obl. 646880 (RU) TURENKO, Svetlana Viktorovna Tomsk 634036 (RU) KHARLAMOVA, Ekaterina Vasilievna Kargasoksky r-n Tomskaya obl. 636700 (RU) (74) Representative: Zacco Denmark A/S  Arne Jacobsens Allé 15 2300 Copenhagen S 2300 Copenhagen S (DK)