(19)

(11)

EP 3 347 750 A1

(12)

(43) Date of publication: 18.07.2018 Bulletin 2018/29 (21) Application number: 16845125.0 (22) Date of filing: 09.09.2016

(51) International Patent Classification (IPC):  G02B 6/00(2006.01) G02B 6/032(2006.01) G02B 6/02(2006.01) (86) International application number: PCT/US2016/050953 (87) International publication number: WO 2017/044751 (16.03.2017 Gazette 2017/11)

(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: 10.09.2015 US 201562216503 P 06.07.2016 US 201615203384 (71) Applicant: Dhar, Bal Mukund Baltimore, MD 21227 (US)	(72) Inventor: Dhar, Bal Mukund Baltimore, MD 21227 (US) (74) Representative: FRKelly  27 Clyde Road Dublin D04 F838 Dublin D04 F838 (IE)