(19)

(11)

EP 3 357 094 A1

(12)

(43) Date of publication: 08.08.2018 Bulletin 2018/32 (21) Application number: 16852265.4 (22) Date of filing: 24.08.2016

(51) International Patent Classification (IPC):  H01L 31/0352(2006.01) H01L 33/00(2010.01) H01L 31/00(2006.01) (86) International application number: PCT/US2016/048434 (87) International publication number: WO 2017/058407 (06.04.2017 Gazette 2017/14)

(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 Designated Validation States: MA MD (30) Priority: 01.10.2015 US 201562235905 P (71) Applicant: Phillips 66 Company Houston, TX 77242-1959 (US)	(72) Inventors: WORFOLK, Brian Bartlesville, OK 74006 (US) EGOAGWU, Nneka Uguru Owings Mills, MD 21117 (US) BULLOCK, Joseph Bartlesville, OK 74006 (US) (74) Representative: Finnegan Europe LLP  16 Old Bailey London EC4M 7EG London EC4M 7EG (GB)