(19)

(11)

EP 2 992 118 A2

(12)

(88) Date of publication A3: 12.03.2015 (43) Date of publication: 09.03.2016 Bulletin 2016/10 (21) Application number: 14759269.5 (22) Date of filing: 24.04.2014

(51) International Patent Classification (IPC):  C22B 7/02(2006.01) C22B 13/02(2006.01) C22B 19/30(2006.01) C22B 1/00(2006.01) (86) International application number: PCT/IB2014/001391 (87) International publication number: WO 2014/177931 (06.11.2014 Gazette 2014/45)

(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: 29.04.2013 US 201361816987 P (71) Applicant: Saudi Basic Industries Corporation Riyadh 11422 (SA)	(72) Inventor: AWAN, Fazal-ur-rehmen, M. Jubail 31961 (SA) (74) Representative: Brevalex  95, rue d'Amsterdam 75378 Paris Cedex 8 75378 Paris Cedex 8 (FR)