(19)
(11) EP 0 670 514 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.01.1996 Bulletin 1996/03

(43) Date of publication A2:
06.09.1995 Bulletin 1995/36

(21) Application number: 95200429.9

(22) Date of filing: 22.02.1995
(51) International Patent Classification (IPC)6: G03C 1/005
(84) Designated Contracting States:
DE FR GB

(30) Priority: 25.02.1994 US 201598
21.12.1994 US 360489

(71) Applicant: EASTMAN KODAK COMPANY
Rochester, New York 14650-2201 (US)

(72) Inventors:
  • Maskasky, Joe Edward, c/o Eastman Kodak Co.
    Rochester, New York 14650-2201 (US)
  • Marchetti, Alfred Paul, c/o Eastman Kodak Co.
    Rochester, New York 14650-2201 (US)
  • Buitano, Lois Ann, c/o Eastman Kodak Co.
    Rochester, New York 14650-2201 (US)
  • Chang, Yun Chea, c/o Eastman Kodak Co.
    Rochester, New York 14650-2201 (US)

(74) Representative: Baron, Paul Alexander Clifford et al
Kodak Limited Patent Department Headstone Drive
Harrow Middlesex HA1 4TY
Harrow Middlesex HA1 4TY (GB)


(56) References cited: : 
   
       


    (54) High chloride (100) tabular grain emulsions with modified edge structures


    (57) Photographic emulsions are disclosed in which at least 50 percent of total grain projected area is accounted for by high (>90%) chloride thin (<0.2 µm) tabular grains having {100} major faces each having at least one edge face oriented in an atomic plane differing from that of major faces to improve photographic performance.






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