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(11)

EP 2 561 288 A1

(12)

(43) Date of publication: 27.02.2013 Bulletin 2013/09 (21) Application number: 11772323.9 (22) Date of filing: 18.04.2011

(51) International Patent Classification (IPC):  F25B 17/00(2006.01) F25B 17/08(2006.01) C09K 5/06(2006.01) F25B 30/04(2006.01) (86) International application number: PCT/SE2011/050471 (87) International publication number: WO 2011/133093 (27.10.2011 Gazette 2011/43)

(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: 21.04.2010 SE 1000405 (71) Applicant: Climatewell AB (publ) 126 53 Hägersten (SE)	(72) Inventor: BOLIN, Göran S-183 30 Täby (SE) (74) Representative: Carlsson, Carl Fredrik Munk  Bergenstråhle & Lindvall AB P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)