Title (en)

NEGATIVE WORKING PHOTOGRAPHIC SILVER DYE-BLEACH MATERIAL

Publication

EP 0087390 A3 19840425 (DE)

Application

EP 83810064 A 19830216

Priority

CH 107982 A 19820222

Abstract (en)

[origin: EP0087390A2] 1. A negative photographic silver dye bleach material which contains low-sensitive iodide-free and highly sensitive iodide-containing silver halide emulsions and colloidal nuclei, said material carrying on a support (a) at least one layer containing a bleachable image dye, a low-sensitive silver halide emulsion, and colloidal nuclei onto which silver deposition may occur, and (b) at least one layer containing a highly sensitive iodide-containing silver halide emulsion.

IPC 1-7

G03C 5/52

IPC 8 full level

G03C 7/02 (2006.01); G03C 1/06 (2006.01); G03C 7/28 (2006.01)

CPC (source: EP)

G03C 7/28 (2013.01)

Citation (search report)

• EP 0044813 A2 19820127 - CIBA GEIGY AG [CH]
• EP 0023888 A2 19810211 - CIBA GEIGY AG [CH]
• FR 2398327 A1 19790216 - CIBA GEIGY AG [CH]
• DE 2053751 A1 19720525
• CH 468657 A 19690215 - MITSUBISHI PAPER MILLS LTD [JP]

Designated contracting state (EPC)

BE CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0087390 A2 19830831; EP 0087390 A3 19840425; EP 0087390 B1 19861008; CA 1259516 A 19890919; DE 3366751 D1 19861113; JP S58156931 A 19830919

DOCDB simple family (application)

EP 83810064 A 19830216; CA 422048 A 19830221; DE 3366751 T 19830216; JP 2709983 A 19830222