EP 1387214 A1 20040204 - Silver bromoiodide core-shell grain emulsion
Title (en)
Silver bromoiodide core-shell grain emulsion
Title (de)
Silberbromojodidemulsion aus Kern-Hülle Körnern
Title (fr)
Emulsion au bromoiodure d'argent comprenant des grains noyeau/enveloppe
Publication
Application
Priority
IT SV20020034 U 20020729
Abstract (en)
The present invention relates to a light-sensitive emulsion, and a light-sensitive photographic material containing the same, comprising silver bromoiodide grains of a core shell structure comprising: a) an inner core consisting essentially of silver bromide or silver bromoiodide and having a silver iodide content within the range of 0 to 10 mol %, and b) a plurality of shells consisting essentially of silver bromide or silver bromoiodide, wherein said silver bromoiodide grains exhibit an average grain size lower than 0.60 micrometer, an average grain thickness lower than 0.15 micrometer, and an average aspect ratio lower than 5:1.
IPC 1-7
IPC 8 full level
G03C 1/005 (2006.01); G03C 7/30 (2006.01)
CPC (source: EP)
G03C 1/0051 (2013.01); G03C 7/3022 (2013.01); G03C 7/3029 (2013.01); G03C 2001/0055 (2013.01); G03C 2001/03511 (2013.01); G03C 2001/03535 (2013.01); G03C 2007/3034 (2013.01)
Citation (search report)
- [DX] US 5780216 A 19980714 - IHAMA MIKIO [JP]
- [DX] EP 0202784 A2 19861126 - KONISHIROKU PHOTO IND [JP]
- [DX] US 4614711 A 19860930 - SUGIMOTO TADAO [JP], et al
- [DX] EP 1055964 A1 20001129 - TULALIP CONSULTORIA COMERCIAL [PT]
- [DX] EP 1055967 A1 20001129 - TULALIP CONSULTORIA COMERCIAL [PT]
- [X] EP 1103950 A2 20010530 - UNITED KINGDOM GOVERNMENT [CA]
- [PX] EP 1262825 A1 20021204 - AGFA GEVAERT [BE]
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
DOCDB simple family (application)
EP 03016779 A 20030723