(19)

(11)

EP 0 662 089 A1

(12)

(43) Date of publication: 12.07.1995 Bulletin 1995/28 (21) Application number: 94922113.0 (22) Date of filing: 08.07.1994

(51) International Patent Classification (IPC):  C07K 14/ 52( . ) A61K 38/ 00( . ) (86) International application number: PCT/US1994/007669 (87) International publication number: WO 1995/001992 (19.01.1995 Gazette 1995/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 09.07.1993 US 19930089751 (71) Applicant: PRIVATE BIOLOGICALS CORPORATION Atlanta, GA 30327 (US)	(72) Inventors: RODGERS, Thomas, M., Jr. Atlanta, GA 30327 (US) THEODORE, T., Ronald Forestdale, MA 02644 (US) (74) Representative: Bassett, Richard Simon  ERIC POTTER & CLARKSON St. Mary's Court St. Mary's Gate Nottingham NG1 1LE Nottingham NG1 1LE (GB)