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(11)

EP 3 204 532 A1

(12)

(43) Date of publication: 16.08.2017 Bulletin 2017/33 (21) Application number: 15735726.0 (22) Date of filing: 26.06.2015

(51) International Patent Classification (IPC):  C23G 1/06(2006.01) C11D 3/33(2006.01) C23G 1/08(2006.01) C11D 1/66(2006.01) C11D 11/00(2006.01) C23G 1/26(2006.01) (86) International application number: PCT/GB2015/051869 (87) International publication number: WO 2016/055758 (14.04.2016 Gazette 2016/15)

(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 (30) Priority: 06.10.2014 GB 201417633 (71) Applicant: NCH Corporation Irving, Texas 75062 (US)	(72) Inventor: WEBSTER, Martin Cossal Nottinghamshire NG16 2RZ (GB) (74) Representative: Connell, Mark  Forresters IP LLP Skygarden Erika-Mann-Strasse 11 80636 München 80636 München (DE)