(19)

(11)

EP 2 877 433 A2

(12)

(88) Date of publication A3: 20.03.2014 (43) Date of publication: 03.06.2015 Bulletin 2015/23 (21) Application number: 13822497.7 (22) Date of filing: 26.07.2013

(51) International Patent Classification (IPC):  C03B 13/00(2006.01) (86) International application number: PCT/US2013/052214 (87) International publication number: WO 2014/018838 (30.01.2014 Gazette 2014/05)

(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: 26.07.2012 US 201261676028 P (71) Applicant: Corning Incorporated Corning, New York 14831 (US)	(72) Inventors: KERSTING, John, Jerry Painted Post, NY 14870 (US) MILILLO, Steven, Michael State College, PA 16803 (US) PASSMORE, Jon, Anthony Painted Post, NY 14870 (US) WELLES, Andrew, Voss Horseheads, NY 14845 (US) (74) Representative: Sturm, Christoph  Quermann - Sturm - Weilnau Patentanwälte Partnerschaft mbB Unter den Eichen 5 65195 Wiesbaden 65195 Wiesbaden (DE)