(19)

(11)

EP 3 288 667 A1

(12)

(43) Date of publication: 07.03.2018 Bulletin 2018/10 (21) Application number: 16722094.6 (22) Date of filing: 28.04.2016

(51) International Patent Classification (IPC):  B01D 53/14(2006.01) C10L 3/10(2006.01) (86) International application number: PCT/EP2016/059461 (87) International publication number: WO 2016/174120 (03.11.2016 Gazette 2016/44)

(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: 30.04.2015 EP 15305667 30.04.2015 US 201514700974 (71) Applicant: Prosernat 92800 Puteaux (FR)	(72) Inventors: FILLATRE, Emile 78161 Marly Le Roi (FR) PERDU, Gauthier 92150 Suresnes (FR) MARES, Benoit 78360 Montesson (FR) (74) Representative: Cabinet Plasseraud  66, rue de la Chaussée d'Antin 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)