(19)

(11)

EP 2 521 799 A1

(12)

(43) Date of publication: 14.11.2012 Bulletin 2012/46 (21) Application number: 10807378.4 (22) Date of filing: 07.12.2010

(51) International Patent Classification (IPC):  C22B 7/00(2006.01) C01B 31/34(2006.01) C22B 34/36(2006.01) C22C 1/04(2006.01) (86) International application number: PCT/IB2010/055620 (87) International publication number: WO 2011/083376 (14.07.2011 Gazette 2011/28)

(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: 08.01.2010 IN CH00732010 (71) Applicant: Arumugavelu, Jayakannan Trichy, Tamil Nadu 620 013 (IN)	(72) Inventor: Arumugavelu, Jayakannan Trichy, Tamil Nadu 620 013 (IN) (74) Representative: Jansen, Cornelis Marinus et al VEREENIGDE Johan de Wittlaan 7 2517 JR Den Haag 2517 JR Den Haag (NL)