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(11)

EP 3 097 069 A1

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(43) Date of publication: 30.11.2016 Bulletin 2016/48 (21) Application number: 14879640.2 (22) Date of filing: 24.01.2014

(51) International Patent Classification (IPC):  C07C 7/04(2006.01) (86) International application number: PCT/US2014/012857 (87) International publication number: WO 2015/112156 (30.07.2015 Gazette 2015/30)

(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 (71) Applicant: Linde Engineering North America Inc. Blue Bell, PA 19422 (US)	(72) Inventor: MALIK, Zaheer, I. Tulsa, OK 74137 (US) (74) Representative: Hofmann, Andreas et al RGTH Patentanwälte PartGmbB Postfach 33 02 11 80062 München 80062 München (DE)