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EP 3 071 899 A1

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(43) Date of publication: 28.09.2016 Bulletin 2016/39 (21) Application number: 13898028.9 (22) Date of filing: 19.11.2013

(51) International Patent Classification (IPC):  F24J 2/14(2006.01) G02B 5/08(2006.01) F24J 2/38(2006.01) (86) International application number: PCT/JP2013/006801 (87) International publication number: WO 2015/075759 (28.05.2015 Gazette 2015/21)

(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 (71) Applicant: Tokyo Ohka Kogyo Co., Ltd. Kawasaki-shi, Kanagawa 211-0012 (JP)	(72) Inventor: PILLETTE, Clement 3821 AL Amersfoort (NL) (74) Representative: Cabinet Plasseraud  66, rue de la Chaussée d'Antin 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)