C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 233/61 (2006.01) C07D 233/66 (2006.01) C07D 235/08 (2006.01) C07D 249/08 (2006.01) C07D 405/04 (2006.01) C07D 405/14 (2006.01) C07D 409/04 (2006.01) C07D 521/00 (2006.01) G03C 1/06 (2006.01) G03C 1/10 (2006.01)
Patent
CA 2190854
The subject invention relates to novel dihydrazide compounds of the general formula: B-(A+)-C (G-) where B and C are the same or different and have general structure (I). A+ is an activity regulating group, and G- is a negatively charged ion, useful as dot-promoting agents in photographic image systems, methods for making them, and to photographic materials which comprise these compounds.
L'invention concerne des composés, des nouveaux hydrazides, de formule générale B-(A?+¿)-C (G?-¿) où B et C, identiques ou différents, présentent la structure générale (I): et où A?+¿ représente un groupe régulateur d'activité et G(?-¿), un ion chargé négativement. Ces composés sont utilisés comme agents de renforcement de points dans des systèmes d'image photographiques, et on décrit des procédés permettant de les obtenir et des supports photographiques les contenant.
Fryberg Mario
Gottel Otto
Stauner Thomas
Fetherstonhaugh & Co.
International Paper Company
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