(19)

(11)

EP 3 515 215 A1

(12)

(43) Date of publication: 31.07.2019 Bulletin 2019/31 (21) Application number: 17854026.6 (22) Date of filing: 22.09.2017

(51) International Patent Classification (IPC):  A24B 15/28(2006.01) A24B 15/18(2006.01) (86) International application number: PCT/US2017/053052 (87) International publication number: WO 2018/057954 (29.03.2018 Gazette 2018/13)

(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: 23.09.2016 US 201662398875 P (71) Applicant: Sentiens, LLC Charlotte, North Carolina 28277 (US)	(72) Inventors: VON BORSTEL, Reid Charlotte NC 28277 (US) TAN, Dennis Charlotte NC 28277 (US) SIVERLING, John Charlotte NC 28277 (US) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)