(19)

(11)

EP 2 739 568 A2

(12)

(88) Date of publication A3: 25.04.2013 (43) Date of publication: 11.06.2014 Bulletin 2014/24 (21) Application number: 12819850.4 (22) Date of filing: 31.07.2012

(51) International Patent Classification (IPC):  C01F 7/04(2006.01) B09B 3/00(2006.01) B01D 11/02(2006.01) (86) International application number: PCT/US2012/048926 (87) International publication number: WO 2013/019768 (07.02.2013 Gazette 2013/06)

(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: 01.08.2011 US 201161513825 P 31.08.2011 US 201113223045 (71) Applicant: Ceramatec, Inc Salt Lake City, UT 84119 (US)	(72) Inventors: BALAGOPAL, Shekar Sandy, Utah 84093 (US) DUFFEY, Kean Salt Lake City, Utah 84105 (US) (74) Representative: HGF Limited  Belgrave Hall Belgrave Street Leeds LS2 8DD Leeds LS2 8DD (GB)