(19)

(11)

EP 3 938 144 A2

(12)

(88) Date of publication A3: 29.04.2021 (43) Date of publication: 19.01.2022 Bulletin 2022/03 (21) Application number: 20773384.1 (22) Date of filing: 11.03.2020

(51) International Patent Classification (IPC):  B24D 18/00(2006.01) (52) Cooperative Patent Classification (CPC): B24D 11/00; C08G 14/06 (86) International application number: PCT/TR2020/050198 (87) International publication number: WO 2020/190238 (24.09.2020 Gazette 2020/39)

(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: 15.03.2019 TR 201903909 (71) Applicant: Cukurova Kimya Endustrisi A.S. 45030 Manisa (TR)	(72) Inventors: CETIN, Haydar 45030 Manisa (TR) AKSIN ARTOK, Ozge 45030 Manisa (TR) GUVENDIK, Alper Emre 45030 Manisa (TR) OZCAN, Hande 45030 Manisa (TR) (74) Representative: Cayli, Hülya  Paragon Consultancy Incorporated Koza Sokak No: 63/2 GOP 06540 Ankara GOP 06540 Ankara (TR)