发明名称 Dye stability with solid coupler solvent
摘要 The invention provides a photographic dispersion for inducing dye stability in the eventual photographic product. The invention provides in a first aspect a photographic dispersion comprising a photographic coupler and a solvent therefore wherein the solvent is solid at its temperature of fade concern thereby to promote dye stability in use. The invention also provides a photographic coupler and a solvent therefor wherein the solvent is an alkyl alcohol or an optionally substituted dialkyl or diaryl phosphate. The coupler may have a ballasted chain having a matched molecular structure thereby to further promote dye stability in use.
申请公布号 US5405736(A) 申请公布日期 1995.04.11
申请号 US19920996289 申请日期 1992.12.23
申请人 EASTMAN KODAK COMPANY 发明人 YOUNG, DAVID J.
分类号 G03C7/32;G03C7/388;(IPC1-7):G03C7/32 主分类号 G03C7/32
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