(19)

(11)

EP 2 446 073 A1

(12)

(43) Date of publication: 02.05.2012 Bulletin 2012/18 (21) Application number: 10729020.7 (22) Date of filing: 24.06.2010

(51) International Patent Classification (IPC):  D01D 5/08(2006.01) D01F 6/70(2006.01) D01F 6/00(2006.01) (86) International application number: PCT/US2010/039773 (87) International publication number: WO 2010/151633 (29.12.2010 Gazette 2010/52)

(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 SE SI SK SM TR (30) Priority: 25.06.2009 US 220357 P (71) Applicant: Lubrizol Advanced Materials, Inc. Cleveland, OH 44141-3247 (US)	(72) Inventors: VEDULA, Ravi, R. North Ridgeville Ohio 44039 (US) BRYSON, JR., James, E. Cuyahoga Falls Ohio 44223 (US) LEE, Mouh-Wahng Solon Ohio 44139 (US) FISCHER, Daniel, M. Brentwood Tennessee 37027 (US) SPRAGUE, Christopher, A. Cuyahoga Falls Ohio 44221 (US) (74) Representative: von Kreisler Selting Werner  Deichmannhaus am Dom Bahnhofsvorplatz 1 50667 Köln 50667 Köln (DE)