Aqueous pigment dispersions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 3, 2017
Issued Date -
N/A
app pub date -
Sep 19, 2016
filing date -
Mar 5, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed herein are aqueous dispersions comprising: at least one pigment present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one pigment being selected from oxidized carbon blacks and modified carbon blacks having attached at least one organic group; and at least one organic solvent present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one organic solvent having a Hansen hydrogen bonding parameter (δH) ranging from 13 to 50 MPa0.5, and a Hansen polarity parameter (δp) ranging from 5 to 13 MPa0.5, wherein the dispersion is substantially free of a surfactant. Also disclosed are methods of preparing aqueous dispersions and injet ink compositions prepared from the same.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully