(19)

(11)

EP 2 710 160 A2

(12)

(88) Date of publication A3: 17.01.2013 (43) Date of publication: 26.03.2014 Bulletin 2014/13 (21) Application number: 12726861.3 (22) Date of filing: 18.05.2012

(51) International Patent Classification (IPC):  C22B 47/00(2006.01) C01G 45/00(2006.01) (86) International application number: PCT/IB2012/052510 (87) International publication number: WO 2012/160494 (29.11.2012 Gazette 2012/48)

(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: 20.05.2011 IN MM15392011 (71) Applicant: UPL Limited Mumbai 400 052 (IN)	(72) Inventors: SHROFF, Jaidev, Rajnikant Mumbai 400 052 (IN) SHROFF, Vikram, Rajnikant Mumbai 400 052 (IN) SRIVASTAVA, Krishna, Ramprakash Mumbai 400 052 (IN) JOSHI, Jyeshtharaj, Bhalchandra Mumbai 400 052 (IN) (74) Representative: Sanderson, Nigel Paul  Harrison Goddard Foote LLP Saviour House 9 St Saviourgate York YO1 8NQ York YO1 8NQ (GB)