(19)

(11)

EP 1 730 098 A2

(12)

(88) Date of publication A3: 12.01.2006 (43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 05731237.3 (22) Date of filing: 25.03.2005

(51) International Patent Classification (IPC):  C07C 209/00(2006.01) (86) International application number: PCT/US2005/010168 (87) International publication number: WO 2005/097730 (20.10.2005 Gazette 2005/42)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 26.03.2004 US 557106 P (71) Applicant: ALBEMARLE CORPORATION Baton Rouge Louisiana 70801 (US)	(72) Inventors: SAUER, Joe, D. Baton Rouge, Louisiana 70816 (US) KNIGHT, Christopher, J. Prairieville, Louisiana 70769 (US) EVERLY, Charles, R. Baton Rouge, Louisiana 70816 (US) (74) Representative: UEXKÜLL & STOLBERG  Patentanwälte Beselerstrasse 4 22607 Hamburg 22607 Hamburg (DE)