Colorant preparations
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United States of America Patent
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-
Aug 19, 2003
Grant Date -
N/A
app pub date -
May 25, 2000
filing date -
Nov 26, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Dye preparations comprising, based on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes selected from the class of the anthraquinones or quinophthalones which are free of ionic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensation product, from 10 to 90% by weight of a mono- or polyhydric alcohol and optionally water, are useful as inks in the inkjet process and also for sublimation transfer printing.
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