(19)

(11)

EP 2 967 271 A1

(12)

(43) Date of publication: 20.01.2016 Bulletin 2016/03 (21) Application number: 14775272.9 (22) Date of filing: 12.03.2014

(51) International Patent Classification (IPC):  A47L 11/34(2006.01) (86) International application number: PCT/US2014/023975 (87) International publication number: WO 2014/159513 (02.10.2014 Gazette 2014/40)

(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 (30) Priority: 14.03.2013 US 201361784389 P (71) Applicant: Gumwand, Inc. Farmingdale, NY 11735 (US)	(72) Inventors: XU, Shihui Beijing 100078 (CN) GENOA, Scott Merrick, New York 11566 (US) (74) Representative: Noréns Patentbyrå AB  Box 10198 100 55 Stockholm 100 55 Stockholm (SE)