(19)

(11)

EP 1 407 216 A2

(12)

(88) Date of publication A3: 12.02.2004 (43) Date of publication: 14.04.2004 Bulletin 2004/16 (21) Application number: 02797020.1 (22) Date of filing: 08.05.2002

(51) International Patent Classification (IPC)7: F42B 1/00 (86) International application number: PCT/US2002/014491 (87) International publication number: WO 2003/029746 (10.04.2003 Gazette 2003/15)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 29.05.2001 US 294169 P 09.11.2001 US 10009 (71) Applicant: OLIN CORPORATION,Corporation of the Commonwealth of Virginia New Haven, CT 06511-1837 (US)	(72) Inventor: HALVERSON, Henry, J. Collinsville, IL 62234 (US) (74) Representative: Klunker . Schmitt-Nilson . Hirsch  Winzererstrasse 106 80797 München 80797 München (DE)