Yellow images with improved light stability and yellow dyes useful therein

Disclosed is a dye combination and a thermal dye transfer yellow donor element containing the combination of dyes useful for forming a light stable yellow image comprising a yellow dye having the formula: wherein: R and R each independently represents an alkyl group of from 1 to 10 carbons atoms or...

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Bibliographic Details
Main Authors WANG RUIZHENG, WEIDNER CHARLES H, CARROLL-LEE ANN L, CHAPMAN DEREK D, KASZCZUK LINDA A
Format Patent
LanguageEnglish
Published 11.12.2003
Edition7
Subjects
ADHESIVES
APPARATUS SPECIALLY ADAPTED THEREFOR
CHEMISTRY
CINEMATOGRAPHY
COLOUR PRINTING
DYES
ELECTROGRAPHY
HOLOGRAPHY
LAKES
LINING MACHINES
MATERIALS THEREFOR
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
ORIGINALS THEREFOR
PAINTS
PERFORMING OPERATIONS
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
POLISHES
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:Disclosed is a dye combination and a thermal dye transfer yellow donor element containing the combination of dyes useful for forming a light stable yellow image comprising a yellow dye having the formula: wherein: R and R each independently represents an alkyl group of from 1 to 10 carbons atoms or a cycloalkyl group of from 5 to 7 carbon atoms; R and R each independently represents hydrogen, or an unsubstituted lower alkyl group of 1 to 4 carbon atoms; each Y independently represents halogen, or a lower alkyl or alkoxy group of 1 to 4 carbon atoms; and m is 0 to 4. Such a dye combination and element provide improved color and stability, especially for proofing.
Bibliography:Application Number: US20020153536