EP 0733940 A1 19960925 - Reduction of spot image defects caused by metal impurities in photographic film
Title (en)
Reduction of spot image defects caused by metal impurities in photographic film
Title (de)
Verringerung von fleckenartigen, durch metallische Verunreinigungen hervorgerufenen Bilddefekten in photographischen Filmen
Title (fr)
Réduction des défauts sous forme de taches causés par des impuretés métalliques dans des films photographiques
Publication
Application
Priority
US 40822195 A 19950322
Abstract (en)
A photographic element comprising a silver halide emulsion in a hydrophilic colloidal binder coated on at least one side of a support layer, said emulsion having both a phosphate and a 5-sulfosalicylic acid therein, displays reduced spotting from spurious metal particle contamination.
IPC 1-7
IPC 8 full level
CPC (source: EP)
G03C 1/33 (2013.01); G03C 2200/42 (2013.01)
Citation (search report)
- [DY] US 4340665 A 19820720 - SIDWELL LLOYD G
- [DY] US 3300312 A 19670124 - FRANS WILLEMS JOZEF, et al
- [DY] US 2239284 A 19410422 - FRITZ DRAISBACH
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
DOCDB simple family (application)
EP 96102725 A 19960223; JP 6085996 A 19960318