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(11)

EP 2 776 536 A1

(12)

(43) Date of publication: 17.09.2014 Bulletin 2014/38 (21) Application number: 12783826.6 (22) Date of filing: 01.11.2012

(51) International Patent Classification (IPC):  C10G 1/00(2006.01) C08B 1/00(2006.01) D21C 1/00(2006.01) C07G 1/00(2011.01) C08L 97/02(2006.01) (86) International application number: PCT/US2012/062942 (87) International publication number: WO 2013/089928 (20.06.2013 Gazette 2013/25)

(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: 09.11.2011 US 201113292222 09.11.2011 US 201113292437 09.11.2011 US 201113292531 09.11.2011 US 201113292632 (71) Applicant: Vertichem Corporation Cambridge N1R 6T5 (CA)	(72) Inventors: PETERSON, John Chardon, OH 44024 (US) WU, Jian Guelph N1G 3K4 (CA) YOST, Christopher Ayr N0B 1E0 (CA) (74) Representative: Patentanwälte Freischem  Salierring 47-53 50677 Köln 50677 Köln (DE)