Global Patent Index - EP 0339870 A1

EP 0339870 A1 19891102 - Novel antifoggant for polyalkylene glycol sensitizers.

Title (en)

Novel antifoggant for polyalkylene glycol sensitizers.

Title (de)

Antischleiermittel für Polyalkylenglykolsensibilisatoren.

Title (fr)

Nouveau agent anti-voile pour des sensibilisateurs polyalkylène glycole.

Publication

EP 0339870 A1 19891102 (EN)

Application

EP 89303934 A 19890420

Priority

US 18783088 A 19880429

Abstract (en)

Polyalkylene glycol sensitizing agents tend to generate instability towards fogging in silver halide photographic emulsions. The use of certain classes of aromatic hydroxyl compounds reduces this tendency towards fog.

IPC 1-7

G03C 1/04; G03C 1/34; G03C 1/42

IPC 8 full level

G03C 1/035 (2006.01); G03C 1/043 (2006.01); G03C 1/08 (2006.01); G03C 1/34 (2006.01); G03C 1/42 (2006.01)

CPC (source: EP)

G03C 1/043 (2013.01); G03C 1/34 (2013.01); G03C 1/42 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

EP 0339870 A1 19891102; JP H0213939 A 19900118

DOCDB simple family (application)

EP 89303934 A 19890420; JP 11195789 A 19890428