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(11)

EP 3 507 413 A1

(12)

(43) Date of publication: 10.07.2019 Bulletin 2019/28 (21) Application number: 16759771.5 (22) Date of filing: 01.09.2016

(51) International Patent Classification (IPC):  D06M 15/285(2006.01) D06M 15/431(2006.01) (86) International application number: PCT/EP2016/070586 (87) International publication number: WO 2018/041351 (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 (71) Applicant: Rhodia Operations 75009 Paris (FR)

(72) Inventors: WOODWARD, Gary Northwich Cheshire CW9 5QR (GB) HAND, Geoffrey Hakesowen West Midlands B62 8TA (GB) HICKLIN, Robert Ashby de la Zouch Leicestershire LE65 2QB (GB) SEABROOK, Matthew Oldbury West Midlands B69 4LN (GB) (74) Representative: Cordier, Pascal Christian  Rhodia Operations Direction de la Propriété Industrielle 40, rue de la Haie Coq 93306 Aubervilliers 93306 Aubervilliers (FR)