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US 2011/0271874 A1Published application
Nanosized Particles of Benzimidazolone Pigments
AssigneesNational Research Council of Canada, Xerox Corporation
InventorsRina CARLINI, Darren Andrew Makeiff
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Abstract
A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound that is a substituted pyridine derivative; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles.
Claims22
A sterically bulky stabilizer, comprising:
- a sterically bulky stabilizer associated non-covalently with a benzimidazolone pigment, wherein the sterically bulky stabilizer comprises a substituted pyridine derivative;
- wherein presence of the sterically bulky stabilizer limits an extent of particle growth and aggregation, to afford nanoscale pigment particles.
Dependencies are inferred from the claim text.