Global Patent Index - EP 0368229 A3

EP 0368229 A3 19920429 - NEGATIVE TYPE LIGHT-SENSITIVE HALIDE PHOTOGRAPHIC MATERIAL

Title (en)

NEGATIVE TYPE LIGHT-SENSITIVE HALIDE PHOTOGRAPHIC MATERIAL

Publication

EP 0368229 A3 19920429 (EN)

Application

EP 89120561 A 19891107

Priority

JP 28130488 A 19881109

Abstract (en)

[origin: EP0368229A2] Disclosed is a negative type light-sensitive silver halide photo-graphic material comprising at least one light-sensitive silver halide emulsion provided on a support, wherein the ratio of silver amount to gelatin amount (Ag/Gel) (wherein the silver amount is the total silver amount in one or more layers provided in the same side as the light-sensitive silver halide emulsion layer with respect to the support, and the gelatin amount is the total gelatin amount in one or more gelatin layers provided in the same side as the light-sensitive silver halide emulsion layer with respect to the support) is 1.0 or more, and a hydrophilic colloid layer in the light-sensitive silver halide emulsion contains a hydrazine compound.

IPC 1-7

G03C 1/10

IPC 8 full level

G03C 1/035 (2006.01); G03C 1/005 (2006.01); G03C 1/06 (2006.01)

CPC (source: EP US)

G03C 1/005 (2013.01 - EP US); G03C 1/061 (2013.01 - EP US)

Citation (search report)

  • [X] DE 3610273 A1 19861009 - FUJI PHOTO FILM CO LTD [JP]
  • [X] DE 3729724 A1 19880331 - FUJI PHOTO FILM CO LTD [JP]
  • [Y] PATENT ABSTRACTS OF JAPAN vol. 12, no. 25 (P-659)(2872) 26 January 1988 & JP-A-62 178 246 ( MITSUBISHI ) 5 August 1987
  • [Y] PATENT ABSTRACTS OF JAPAN vol. 12, no. 25 (P-659)(2872) 26 January 1988 & JP-A-62 178 246 ( MITSUBISHI ) 5 August 1987
  • [Y] PATENT ABSTRACTS OF JAPAN vol. 12, no. 429 (P-785)(3276) 14 November 1988 & JP-A-63 163 336 ( MITSUBISHI ) 6 July 1988
  • RESEARCH DISCLOSURE no. 181, May 1979, HAVANT,GB page 246; 'Direct-positive photographic products'

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0368229 A2 19900516; EP 0368229 A3 19920429; CA 2002517 A1 19900509; JP H02129626 A 19900517; US H1063 H 19920602

DOCDB simple family (application)

EP 89120561 A 19891107; CA 2002517 A 19891108; JP 28130488 A 19881109; US 43204589 A 19891106