(19)

(11)

EP 0 917 655 A1

(12)

(43) Date of publication: 26.05.1999 Bulletin 1999/21 (21) Application number: 96941929.0 (22) Date of filing: 10.08.1996

(51) International Patent Classification (IPC):  G01S 1/ 04( . ) (86) International application number: PCT/US1996/012836 (87) International publication number: WO 1998/007045 (19.02.1998 Gazette 1998/07)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Sanconix, INC. New Orleans, LA 70124 (US)	(72) Inventors: SANDERFORD, H., Britton New Orleans, LA 70124 (US) SOUVESTRE, John, R. Metairie, LA 70006 (US) (74) Representative: Kopacz, William James  83, Avenue Foch 75116 Paris 75116 Paris (FR)