(19)

(11)

EP 2 462 214 A1

(12)

(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 10724652.2 (22) Date of filing: 09.06.2010

(51) International Patent Classification (IPC):  C11C 1/08(2006.01) C11C 3/04(2006.01) C11C 3/00(2006.01) C10L 1/08(2006.01) (86) International application number: PCT/US2010/038000 (87) International publication number: WO 2010/144597 (16.12.2010 Gazette 2010/50)

(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: 09.06.2009 US 185453 P (71) Applicant: Mcneff Research Consultants, Inc. Anoka, MN 55303-0665 (US)	(72) Inventors: MCNEFF, Clayton V. Andover Minnesota 55304 (US) MCNEFF, Larry C. Anoka Minnesota 55303 (US) YAN, Bingwen Shoreview Minnesota 55126 (US) NOWLAN, Daniel Thomas Minnesota 55038 (US) (74) Representative: Larcher, Dominique  Cabinet Vidon, 16 B, rue Jouanet, BP 90333 Technopole Atalante 35703 Rennes Cedex 7 35703 Rennes Cedex 7 (FR)