EP 0514450 B1 19940420 - PHOTOGRAPHIC RECORDING MATERIAL PROVIDED WITH AN ABSORBING LAYER FOR PHOTOGRAPHIC SPEED REDUCTION.
Title (en)
PHOTOGRAPHIC RECORDING MATERIAL PROVIDED WITH AN ABSORBING LAYER FOR PHOTOGRAPHIC SPEED REDUCTION.
Title (de)
PHOTOGRAPHISCHES AUFZEICHNUNGSMATERIAL, DAS MIT EINER ABSORBIERENDEN SCHICHT ZUR VERRINGERUNG DER PHOTOGRAPHISCHEN EMPFINDLICHKEIT VERSEHEN IST.
Title (fr)
MATERIAU A ENREGISTREMENT PHOTOGRAPHIQUE MUNI D'UNE COUCHE ABSORBANTE DESTINEE A REDUIRE LA VITESSE PHOTOGRAPHIQUE.
Publication
Application
Priority
- US 9100680 W 19910204
- US 47554290 A 19900206
Abstract (en)
[origin: WO9112562A1] An absorbing layer is described for photographic recording materials which provides safe roomlight handling under lighting conditions which include ultraviolet radiation.
IPC 1-7
IPC 8 full level
G03C 1/035 (2006.01); G03C 1/36 (2006.01); G03C 1/46 (2006.01); G03C 1/825 (2006.01)
CPC (source: EP)
G03C 1/46 (2013.01); G03C 1/825 (2013.01); G03C 1/8255 (2013.01)
Designated contracting state (EPC)
BE DE FR GB
DOCDB simple family (publication)
WO 9112562 A1 19910822; DE 69101778 D1 19940526; DE 69101778 T2 19941124; EP 0514450 A1 19921125; EP 0514450 B1 19940420; JP 2892832 B2 19990517; JP H05504007 A 19930624
DOCDB simple family (application)
US 9100680 W 19910204; DE 69101778 T 19910204; EP 91904108 A 19910204; JP 50449291 A 19910204