(19)

(11)

EP 2 938 934 A1

(12)

(43) Date of publication: 04.11.2015 Bulletin 2015/45 (21) Application number: 13868435.2 (22) Date of filing: 20.12.2013

(51) International Patent Classification (IPC):  F24J 2/02(2006.01) C22B 9/00(2006.01) C22B 7/00(2006.01) (86) International application number: PCT/US2013/077002 (87) International publication number: WO 2014/105715 (03.07.2014 Gazette 2014/27)

(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: 28.12.2012 US 201261746950 P (71) Applicants: Abengoa Solar LLC Lakewood CO 80401 (US) Erickson, Luke Lakewood, Colorado 80401 (US)	(72) Inventor: ERICKSON, Luke Lakewood, Colorado 80401 (US) (74) Representative: Naylor, Matthew John et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE City Tower 40 Basinghall Street London EC2V 5DE (GB)