(19)

(11)

EP 0 953 055 A1

(12)

(43) Date of publication: 03.11.1999 Bulletin 1999/44 (21) Application number: 98900136.0 (22) Date of filing: 20.01.1998

(51) International Patent Classification (IPC):  C12P 21/ 02( . ) (86) International application number: PCT/IB1998/000078 (87) International publication number: WO 1998/031827 (23.07.1998 Gazette 1998/29)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 21.01.1997 US 19970003587P (71) Applicant: Favre, Daniel 1205 Genève (CH)	(72) Inventor: Favre, Daniel 1205 Genève (CH) (74) Representative: Kiliaridis, Constantin, et al  Bugnion S.A., 10, Route de Florissant, Case Postale 375 1211 Genève 12 1211 Genève 12 (CH)