(19)

(11)

EP 1 221 015 A2

(12)

(88) Date of publication A3: 08.11.2001 (43) Date of publication: 10.07.2002 Bulletin 2002/28 (21) Application number: 00965243.9 (22) Date of filing: 21.09.2000

(51) International Patent Classification (IPC)7: F42B 1/00 (86) International application number: PCT/US0025/866 (87) International publication number: WO 0122/026 (29.03.2001 Gazette 2001/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.09.1999 US 155052 P (71) Applicant: OLIN CORPORATION New Haven, CT 06511-1837 (US)	(72) Inventors: OLSON, Douglas, D. Vero Beach, FL 32960 (US) DIPPOLD, Jack, D. Edwardsville, IL 62025 (US) HUELSMANN, Randant, D. Highland, IL 62249 (US) (74) Representative: Klunker . Schmitt-Nilson . Hirsch  Winzererstrasse 106 80797 München 80797 München (DE)