Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Reexamination Certificate
2006-06-13
2006-06-13
Walke, Amanda (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
C430S544000, C430S546000, C430S551000, C430S607000, C430S614000, C524S100000, C524S109000, C544S238000, C544S239000, C544S347000, C546S153000, C549S013000, C549S023000
Reexamination Certificate
active
07060425
ABSTRACT:
A color photographic material is described containing a compound of formula (I) wherein, if n=1, R1is, inter alia, a radical of formula (II), and, if n=2, R1is unsubstituted or C1–C4alkyl- or hydroxy-substituted phenylene or naphthylene; or —R12—X—R13—, and other residues are as defined in claim 1. The compound of formula (I) is effective as scavenger of the oxidized form of the developer (Dox scavenger), especially when contained in an interlayer between light sensitive layers. Selected compounds of this class can also be used as additives, for example as dye stabilizer, in color photographic materials, or as an antioxidant for organic materials.
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Biry Stéphan
Jeganathan Suruliappa Gowper
Leppard David George
Nesvadba Peter
Ciba Specialty Chemicals Corp.
Stevenson Tyler A.
Walke Amanda
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