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US 9,790,385 B2Granted
Ink compositions
AssigneeCabot Corporation
InventorsJinqi Xu, Paul S. Palumbo
Life of this patent
Estimating the term…
Abstract
Polyurethanes containing at least one bisphosphonate group, as well as related compositions, articles, and methods, are disclosed.
Claims21
An inkjet ink composition, comprising:
- a polyurethane comprising a first comonomer repeat unit that comprises a hydrophilic group, the polyurethane further comprising a functional group different from the hydrophilic group, wherein the functional group comprises (CH2)n,C(R)(PO3H2)2 or an ester or salt thereof, in which n is 0-9 and R is H, Ra, ORa, SRa, or NRaRb, each of Ra and Rb, independently, being H, C1-C10 alkyl, or aryl;
- a liquid vehicle;
- and
- a pigment.
1 more element
Dependencies are inferred from the claim text.