(19)
(11) EP 0 306 246 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.03.1990 Bulletin 1990/10

(43) Date of publication A2:
08.03.1989 Bulletin 1989/10

(21) Application number: 88307966.7

(22) Date of filing: 26.08.1988
(51) International Patent Classification (IPC)4: G03C 7/26, G03C 1/04
(84) Designated Contracting States:
DE GB IT NL

(30) Priority: 31.08.1987 JP 218257/87
19.02.1988 JP 37904/88

(71) Applicant: KONICA CORPORATION
Tokyo 160 (JP)

(72) Inventors:
  • Shimazaki, Hiroshi
    Tokyo 191 (JP)
  • Fukazawa, Fumie
    Tokyo 191 (JP)
  • Kurematsu, Masayuki
    Tokyo 191 (JP)
  • Ushiyama, Kenjiro
    Tokyo 191 (JP)
  • Shimba, Satoru
    Tokyo 191 (JP)

(74) Representative: Wood, Anthony Charles et al
Urquhart-Dykes & Lord 91 Wimpole Street
London W1M 8AH
London W1M 8AH (GB)


(56) References cited: : 
   
       


    (54) Silver halide photographic material


    (57) A silver halide photographic material that contains a polymer including a repeating unit represented by the following general formula (I) and having a weight average molecular weight of no more than 30,000:

    where R1 is a hydrogen atom or an alkyl group; Z represents the atomic group necessary to form a lactam ring, an oxazolidone ring or a pyrrolidone ring; A is a simple linkage, -CO-, -COO(CH2 or -CONR2(CH2 where R2 is a hydrogen atom or an alkyl group, and n is an integer of 1 - 6. This photographic material experiences a minimum level of increase in fogging during rapid processing and produces image having improved sharpness and granularity.





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