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Current content: 156 809 018 patent documents

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176 501 new documents added

1 938 899 documents amended

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EP 0018530 B1 19840229 - PROCESS FOR PRODUCING PHOTOGRAPHIC COLOUR IMAGES

Title (en)

PROCESS FOR PRODUCING PHOTOGRAPHIC COLOUR IMAGES

Publication

EP 0018530 B1 19840229 (DE)

Application

EP 80101980 A 19800414

Priority

DE 2916836 A 19790426

Abstract (en)

[origin: US4348475A] In a process for the production of photographic images exposed photographic materials are treated with a developer having an enhanced bromide ion concentration which is kept constant for the duration of the use of the developer. The advantage of the process is based on the technically uncomplicated regenerability of the developer.

IPC 1-7

G03C 5/26

IPC 8 full level

G03C 5/26 (2006.01); G03C 7/30 (2006.01); G03C 7/44 (2006.01)

CPC (source: EP US)

G03C 7/44 (2013.01 - EP US)

Designated contracting state (EPC)

BE CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0018530 A2 19801112; EP 0018530 A3 19811125; EP 0018530 B1 19840229; DE 2916836 A1 19801106; DE 3066734 D1 19840405; JP S55144240 A 19801111; JP S6318730 B2 19880420; US 4348475 A 19820907

DOCDB simple family (application)

EP 80101980 A 19800414; DE 2916836 A 19790426; DE 3066734 T 19800414; JP 5367580 A 19800424; US 14315280 A 19800423