(19)
(11) EP 0 415 919 A1

(12)

(43) Date of publication:
13.03.1991 Bulletin 1991/11

(21) Application number: 88906419.0

(22) Date of filing: 24.06.1988
(51) International Patent Classification (IPC): 
C12N 15/ 09( . )
C07K 14/ 195( . )
C07K 14/ 41( . )
C12N 5/ 10( . )
C12R 1/ 19( . )
C07K 14/ 005( . )
C07K 14/ 325( . )
C12N 1/ 21( . )
C12P 21/ 02( . )
(86) International application number:
PCT/US1988/002073
(87) International publication number:
WO 1988/010305 (29.12.1988 Gazette 1988/28)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 26.06.1987 US 19870067653

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)

(72) Inventors:
  • ELLAR, David, John
    Kingston Cambridge CB3 7NJ (GB)
  • WARD, Elizabeth, Sally
    Cambridge CB2 ITA (GB)

(74) Representative: Hildyard, Edward Martin, et al 
Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway
London WC2B 6UZ
London WC2B 6UZ (GB)

   


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