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(11)

EP 1 871 860 A1

(12)

(43) Date of publication: 02.01.2008 Bulletin 2008/01 (21) Application number: 06740027.5 (22) Date of filing: 27.03.2006

(51) International Patent Classification (IPC):  C10M 141/06(2006.01) C10M 169/04(2006.01) C10M 141/10(2006.01) (86) International application number: PCT/US2006/011598 (87) International publication number: WO 2006/105267 (05.10.2006 Gazette 2006/40)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 29.03.2005 US 665961 P (71) Applicant: ALBEMARLE CORPORATION Baton Rouge, LA 70801-1765 (US)	(72) Inventors: GATTO, Vincent, James Baton Rouge, LA 70810 (US) MOEHLE, William, Emil Baton Rouge, LA 70815 (US) (74) Representative: Schwabe - Sandmair - Marx  Stuntzstrasse 16 81677 München 81677 München (DE)