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(11)

EP 3 506 766 A1

(12)

(43) Date of publication: 10.07.2019 Bulletin 2019/28 (21) Application number: 17847078.7 (22) Date of filing: 31.08.2017

(51) International Patent Classification (IPC):  A23C 3/00(2006.01) B01F 15/02(2006.01) A23C 9/00(2006.01) (86) International application number: PCT/NZ2017/050112 (87) International publication number: WO 2018/044179 (08.03.2018 Gazette 2018/10)

(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: 31.08.2016 NZ 16723797 (71) Applicant: Powder Projects Limited Hamilton 3204 (NZ)	(72) Inventors: DANCE, Jeffrey, Robert Hamilton 3204 (NZ) MILES, Richard, John Hamilton 3204 (NZ) (74) Representative: Hertin und Partner Rechts- und Patentanwälte PartG mbB  Kurfürstendamm 54/55 10707 Berlin 10707 Berlin (DE)