(19)

(11)

EP 2 820 028 A1

(12)

(43) Date of publication: 07.01.2015 Bulletin 2015/02 (21) Application number: 13755755.9 (22) Date of filing: 28.02.2013

(51) International Patent Classification (IPC):  C07H 19/10(2006.01) (86) International application number: PCT/IB2013/051585 (87) International publication number: WO 2013/128393 (06.09.2013 Gazette 2013/36)

(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 Designated Extension States: BA ME (30) Priority: 28.02.2012 IN MM05402012 (71) Applicant: Frichem Private Limited Mumbai 400 050 (IN)	(72) Inventors: KUMAR, Rajiv Dist.: Ahmedabad 382220 (IN) CHAUHAN, Yogendra Dist.: Ahmedabad 382220 (IN) DHAKE, Vilas Dist.: Ahmedabad 382220 (IN) TAMBE, Vijay Dist.: Ahmedabad 382220 (IN) WAGH, Atul Dist.: Ahmedabad 382220 (IN) (74) Representative: Høiberg A/S  St. Kongensgade 59 A 1264 Copenhagen K 1264 Copenhagen K (DK)