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(11)

EP 3 116 913 A1

(12)

(43) Date of publication: 18.01.2017 Bulletin 2017/03 (21) Application number: 14758183.9 (22) Date of filing: 15.07.2014

(51) International Patent Classification (IPC):  C08B 31/00(2006.01) C02F 1/42(2006.01) C08B 31/12(2006.01) C08L 3/04(2006.01) (86) International application number: PCT/LT2014/050001 (87) International publication number: WO 2015/137791 (17.09.2015 Gazette 2015/37)

(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 (30) Priority: 10.03.2014 LT 2014048 (71) Applicant: Kaunas University of Technology 44249 Kaunas (LT)	(72) Inventors: ZEMAITAITIS, Algirdas 48491 Kaunas (LT) BENDORAITIENE, Joana 47138 Kaunas (LT) LEKNIUTE, Edita 50226 Kaunas (LT) (74) Representative: Gerasimovic, Liudmila  II "Liudmila Gerasimovic, Patentinis patiketinis" Vingriu g. 13-42 01141 Vilnius 01141 Vilnius (LT)