EP 0098454 A3 19850403 - PROCESS FOR HARDENING PHOTOGRAPHIC GELATIN WITH VINYL SULPHONES CONTAINING SULPHONYL
Title (en)
PROCESS FOR HARDENING PHOTOGRAPHIC GELATIN WITH VINYL SULPHONES CONTAINING SULPHONYL
Publication
Application
Priority
DE 3224983 A 19820703
Abstract (en)
[origin: US4543324A] The difficulties in the casting process of photographic gelatin containing layers caused by increases in the viscosity of the casting solution due to the premature cross-linking of gelatin can be prevented if a compound containing at least one vinyl sulfone group and at least one sulfonyl ethyl sulfate group in the form of their salts is incorporated in the casting composition of the gelatin-containing layer(s) or in the gelatin-containing layer(s) applied to the layer support.
IPC 1-7
IPC 8 full level
C08L 89/00 (2006.01); G03C 1/30 (2006.01)
CPC (source: EP US)
G03C 1/30 (2013.01 - EP US)
Citation (search report)
- [A] DE 2635518 A1 19770310 - KONISHIROKU PHOTO IND
- [A] EP 0031959 A1 19810715 - AGFA GEVAERT AG [DE]
- [A] JAPANESE PATENTS GAZETTE, Woche X04, 3. März 1976, Seite 6, Zusammenfassung Nr. 06100X/04, Derwent Publications, London, GB; & JP - A - 50 067 640 (KONISHIROKU PHOTO)(06-06-1975)
Designated contracting state (EPC)
BE CH DE FR GB LI
DOCDB simple family (publication)
EP 0098454 A2 19840118; EP 0098454 A3 19850403; EP 0098454 B1 19870520; CA 1248391 A 19890110; DE 3224983 A1 19840105; DE 3371708 D1 19870625; JP S5918944 A 19840131; US 4543324 A 19850924
DOCDB simple family (application)
EP 83106070 A 19830622; CA 431538 A 19830630; DE 3224983 A 19820703; DE 3371708 T 19830622; JP 11627683 A 19830629; US 65453484 A 19840926