Global Patent Index - EP 0001415 B1

EP 0001415 B1 19810617 - PHOTOGRAPHIC INVERSION PROCESS WITH CHEMICAL FOGGING, CHEMICAL FOGGING BATHS THEREFOR, AND THEIR USE IN THE PRODUCTION OF PHOTOGRAPHIC IMAGES

Title (en)

PHOTOGRAPHIC INVERSION PROCESS WITH CHEMICAL FOGGING, CHEMICAL FOGGING BATHS THEREFOR, AND THEIR USE IN THE PRODUCTION OF PHOTOGRAPHIC IMAGES

Publication

EP 0001415 B1 19810617 (DE)

Application

EP 78100932 A 19780919

Priority

DE 2744356 A 19771001

Abstract (en)

[origin: US4299913A] The stability of baths containing fogging agents, especially the stability of baths containing tin-II-ions, is increased by addition of an agent of the following formula <IMAGE> respectively, a tautomeric or a salt thereof, the meaning of the substituents being as indicated in the specification.

IPC 1-7

G03C 5/50; C07C 109/00; C07C 83/10

IPC 8 full level

G03C 7/00 (2006.01); G03C 5/50 (2006.01)

CPC (source: EP US)

G03C 5/50 (2013.01 - EP US)

Designated contracting state (EPC)

BE DE FR GB

DOCDB simple family (publication)

EP 0001415 A1 19790418; EP 0001415 B1 19810617; CA 1146791 A 19830524; DE 2744356 A1 19790405; DE 2860782 D1 19810924; JP S5458439 A 19790511; US 4299913 A 19811110

DOCDB simple family (application)

EP 78100932 A 19780919; CA 312402 A 19780929; DE 2744356 A 19771001; DE 2860782 T 19780919; JP 11992278 A 19780930; US 8705079 A 19791022