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(11)

EP 2 721 201 A2

(12)

(88) Date of publication A3: 14.03.2013 (43) Date of publication: 23.04.2014 Bulletin 2014/17 (21) Application number: 12799984.5 (22) Date of filing: 15.06.2012

(51) International Patent Classification (IPC):  C25F 7/00(2006.01) C25F 3/16(2006.01) (86) International application number: PCT/IN2012/000430 (87) International publication number: WO 2012/172572 (20.12.2012 Gazette 2012/51)

(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: 15.06.2011 IN CH20402011 (71) Applicant: Titan Industries Ltd Hosur 635126 (IN)	(72) Inventors: NATARAJAN, Lalgudi ramanathan Hosur 635126 (IN) RAJENDRAN, Ganapathy Hosur 635126 (IN) KUMAR, Thirunavukarasu vijay Hosur 635126 (IN) PRABHU, Paneer Hosur 635126 (IN) (74) Representative: Gulde Hengelhaupt Ziebig & Schneider  Patentanwälte - Rechtsanwälte Wallstraße 58/59 D-10179 Berlin D-10179 Berlin (DE)