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(11)

EP 2 601 550 A1

(12)

(43) Date of publication: 12.06.2013 Bulletin 2013/24 (21) Application number: 11815167.9 (22) Date of filing: 02.08.2011

(51) International Patent Classification (IPC):  G02B 15/14(2006.01) (86) International application number: PCT/US2011/046225 (87) International publication number: WO 2012/018784 (09.02.2012 Gazette 2012/06)

(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 (30) Priority: 05.08.2010 US 371061 P 30.08.2010 US 378129 P (71) Applicant: Kerr Corporation Orange, CA 92867 (US)	(72) Inventor: WILT, Brian, L. Appleton WI 54913 (US) (74) Representative: Patentanwälte Funk & Böss GbR  Sigmundstraße 1 80538 München 80538 München (DE)