(19)

(11)

EP 2 076 473 A2

(12)

(88) Date of publication A3: 17.07.2008 (43) Date of publication: 08.07.2009 Bulletin 2009/28 (21) Application number: 07827759.7 (22) Date of filing: 10.10.2007

(51) International Patent Classification (IPC):  C04B 28/14(2006.01) (86) International application number: PCT/IT2007/000708 (87) International publication number: WO 2008/065687 (05.06.2008 Gazette 2008/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 18.10.2006 IT FI20060252 (71) Applicant: Ragazzini, Rossano 52017 Stia (AR) Fraz. Papiano (IT)	(72) Inventor: Ragazzini, Rossano 52017 Stia (AR) Fraz. Papiano (IT) (74) Representative: Strasser, Wolfgang  Innere-Wiener Strasse 8 81667 München 81667 München (DE)