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(11)

EP 2 802 535 A1

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(43) Date of publication: 19.11.2014 Bulletin 2014/47 (21) Application number: 11810694.7 (22) Date of filing: 27.10.2011

(51) International Patent Classification (IPC):  C01G 1/02(2006.01) C01G 49/02(2006.01) C01G 3/02(2006.01) (86) International application number: PCT/IT2011/000361 (87) International publication number: WO 2013/061343 (02.05.2013 Gazette 2013/18)

(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 (71) Applicant: TCT S.R.L. 72100 Brindisi (IT)	(72) Inventors: MICALI, Francesco I-72027 San Pietro Vernotico (Brindisi) (IT) LAFUENTI, Ivan I-73020 Cavallino (Lecce) (IT) BIANCO, Valentino I-73050 Seclì (Lecce) (IT) DE RISI, Arturo I-73100 Lecce (IT) MILANESE, Marco I-73010 Arnesano (Lecce) (IT) (74) Representative: Bruni, Giovanni  Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 78 10129 Torino 10129 Torino (IT)