(19)

(11)

EP 2 714 626 A1

(12)

(43) Date of publication: 09.04.2014 Bulletin 2014/15 (21) Application number: 12875079.1 (22) Date of filing: 14.05.2012

(51) International Patent Classification (IPC):  C07C 2/12(2006.01) (86) International application number: PCT/US2012/037695 (87) International publication number: WO 2013/162625 (31.10.2013 Gazette 2013/44)

(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: 27.04.2012 US 201213457506 22.05.2011 US 201161488778 P (71) Applicant: Fina Technology, Inc. Houston, TX 77267-4412 (US)	(72) Inventor: CHINTA, Sivadinarayana Missouri City, TX 77459 (US) (74) Representative: Leyder, Francis  Total Research & Technology Feluy Zone Industrielle C 7181 Seneffe 7181 Seneffe (BE)