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(11)

EP 2 771 106 A1

(12)

(43) Date of publication: 03.09.2014 Bulletin 2014/36 (21) Application number: 12780522.4 (22) Date of filing: 03.10.2012

(51) International Patent Classification (IPC):  B01J 20/34(2006.01) B01J 20/08(2006.01) B01D 53/26(2006.01) C07C 7/12(2006.01) B01J 20/02(2006.01) B01D 53/96(2006.01) C10L 3/10(2006.01) (86) International application number: PCT/GB2012/052450 (87) International publication number: WO 2013/061027 (02.05.2013 Gazette 2013/18)

(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: 27.10.2011 GB 201118552 (71) Applicant: Johnson Matthey Public Limited Company London EC4A 4AB (GB)	(72) Inventors: COMBES, Gary Bevan Eaglescliffe Cleveland TS16 9JH (GB) CARNELL, Peter Stockton-on-Tees Cleveland TS18 5DP (GB) (74) Representative: Ridland, John  Johnson Matthey Catalysts PO Box 1 Belasis Avenue Billingham, Cleveland TS23 1LB Billingham, Cleveland TS23 1LB (GB)