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(11)

EP 3 870 621 A1

(12)

(43) Date of publication: 01.09.2021 Bulletin 2021/35 (21) Application number: 19802359.0 (22) Date of filing: 21.10.2019

(51) International Patent Classification (IPC):  C08G 18/10(2006.01) C08G 18/44(2006.01) C08G 18/76(2006.01) C08G 18/32(2006.01) C08G 18/66(2006.01) (86) International application number: PCT/US2019/057236 (87) International publication number: WO 2020/086470 (30.04.2020 Gazette 2020/18)

(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: 23.10.2018 US 201862749372 P (71) Applicant: Presidium USA, Inc. Dover DE 19904 (US)	(72) Inventors: TENNANT, Andrew John Dover, Delaware 19904 (US) CARTER, Jason Dover, Delaware 19904 (US) BLUMSOM, James Henry Dover, Delaware 19904 (US) JIALANELLA, Gary Dover, Delaware 19904 (US) CELLA, James A. Dover, Delaware 19904 (US) SILVA, Jim Dover, Delaware 19904 (US) (74) Representative: Beck Greener LLP  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)