(19)

(11)

EP 0 787 277 A1

(12)

(43) Date of publication: 06.08.1997 Bulletin 1997/32 (21) Application number: 95935118.0 (22) Date of filing: 02.10.1995

(51) International Patent Classification (IPC):  F42B 12/ 74( . ) (86) International application number: PCT/US1995/012267 (87) International publication number: WO 1996/012154 (25.04.1996 Gazette 1996/18)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 17.10.1994 US 19940324304 (71) Applicant: OLIN CORPORATION Cheshire, CT 06410-0586 (US)	(72) Inventors: MRAVIC, Brian North Branford, CT 06473 (US) HALVERSON, Henry, J. Collinsville, IL 62234 (US) MAHULIKAR, Deepak Madison, CT 06443 (US) (74) Representative: Klunker . Schmitt-Nilson . Hirsch  Winzererstrasse 106 80797 München 80797 München (DE)