(19)

(11)

EP 2 593 521 A1

(12)

(43) Date of publication: 22.05.2013 Bulletin 2013/21 (21) Application number: 11746689.6 (22) Date of filing: 12.07.2011

(51) International Patent Classification (IPC):  C09D 7/12(2006.01) C08K 7/00(2006.01) (86) International application number: PCT/US2011/043764 (87) International publication number: WO 2012/009384 (19.01.2012 Gazette 2012/03)

(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: 12.07.2010 US 363574 P (71) Applicant: Ecopuro, LLC Denver CO 80202 (US)	(72) Inventor: JOHNSON, William, L. Grove OK 74344 (US) (74) Representative: Greenwood, Matthew David et al Bryers LLP 7 Gay Street Bath BA1 2PH Bath BA1 2PH (GB)