(19)

(11)

EP 0 604 588 A1

(12)

(43) Date of publication: 06.07.1994 Bulletin 1994/27 (21) Application number: 92921095.0 (22) Date of filing: 18.09.1992

(51) International Patent Classification (IPC):  C02F 3/ 30( . ) C02F 3/ 12( . ) B64G 1/ 60( . ) C02F 3/ 32( . ) (86) International application number: PCT/US1992/007924 (87) International publication number: WO 1993/006050 (01.04.1993 Gazette 1993/09)

(84) Designated Contracting States: BE DE ES FR GB IT NL SE (30) Priority: 20.09.1991 US 19910764312 (71) Applicant: SPACE BIOSPHERES VENTURE Oracle, Arizona 85623 (US)	(72) Inventor: HAWES, Philip, B. Oracle, AZ 85623 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 D-80538 München D-80538 München (DE)