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Current content: 159 679 824 patent documents

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164 112 new documents added

576 445 documents amended

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EP 0570796 A3 19940810 - PROCESSING OF REVERSAL PHOTOGRAPHIC MATERIALS

Title (en)

PROCESSING OF REVERSAL PHOTOGRAPHIC MATERIALS

Publication

EP 0570796 A3 19940810 (DE)

Application

EP 93107557 A 19930510

Priority

DE 4217022 A 19920522

Abstract (en)

[origin: EP0570796A2] In reversal processing, the washing between primary development and reversal bath can be avoided, without loss of photographic quality, if the reversal bath is moved in countercurrent with at least two stages.

IPC 1-7

G03C 5/50

IPC 8 full level

G03C 5/50 (2006.01)

CPC (source: EP US)

G03C 5/50 (2013.01 - EP US)

Citation (search report)

[A] JP S63249847 A 19881017 - KONISHIROKU PHOTO IND

Designated contracting state (EPC)

BE DE FR GB IT

DOCDB simple family (publication)

EP 0570796 A2 19931124; EP 0570796 A3 19940810; EP 0570796 B1 19981111; DE 4217022 A1 19931125; DE 59309118 D1 19981217; JP H0635135 A 19940210; US 5869224 A 19990209

DOCDB simple family (application)

EP 93107557 A 19930510; DE 4217022 A 19920522; DE 59309118 T 19930510; JP 13900693 A 19930518; US 5998393 A 19930512