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(11)

EP 3 277 633 A1

(12)

(43) Date of publication: 07.02.2018 Bulletin 2018/06 (21) Application number: 16716361.7 (22) Date of filing: 29.03.2016

(51) International Patent Classification (IPC):  C01G 23/00(2006.01) C01G 39/02(2006.01) C01F 17/00(2006.01) C09C 1/00(2006.01) C01G 23/053(2006.01) C01G 51/00(2006.01) C01G 9/02(2006.01) C09C 1/30(2006.01) (86) International application number: PCT/US2016/024688 (87) International publication number: WO 2016/160790 (06.10.2016 Gazette 2016/40)

(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 (30) Priority: 30.03.2015 US 201562139979 P (71) Applicant: The Shepherd Color Company Cincinnati, OH 45246 (US)	(72) Inventors: BEIER, Christopher, Wade Cincinnati, OH 45427 (US) YUHASZ, William, Michael West Chester, OH 45069 (US) HILLEGASS, Mary, Elizabeth Cincinnati, OH 45236 (US) MUSICK, Michael, David Mason, OH 45040 (US) (74) Representative: Cockerton, Bruce Roger  Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA London WC1B 5HA (GB)