(19)

(11)

EP 1 554 045 A2

(12)

(88) Date of publication A3: 26.08.2004 (43) Date of publication: 20.07.2005 Bulletin 2005/29 (21) Application number: 03776499.0 (22) Date of filing: 22.10.2003

(51) International Patent Classification (IPC)7: B02C 13/282 (86) International application number: PCT/US2003/033445 (87) International publication number: WO 2004/037423 (06.05.2004 Gazette 2004/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 22.10.2002 US 420256 P (71) Applicant: Rader Companies Alpharetta, GA 30005 (US)	(72) Inventor: ELLIOTT, James, C. Spartanburg, SC 29307 (US) (74) Representative: Helbing, Jörg, Dr. Dipl.-Chem.  Patentanwältevon Kreisler-Selting-Werner,Postfach 10 22 41 50462 Köln 50462 Köln (DE)