Toner and method for producing toner
US10012922B2 · kind B2 · utility
16Cited by
44References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 13, 2017 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Mar 13, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09733
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner comprising a toner particle containing a pigment, a resin A and a resin B, wherein the pigment is a pigment having a structure derived from a basic compound, the resin A has an acidic functional group, the resin B has an acid value of at least 2.0 mg KOH/g, the resin B has a glass transition temperature TgB of at least 50° C., and the hydrophobic parameter HPA of the resin A and the hydrophobic parameter of the resin B satisfy the following formulae: HPA≥0.60HPB≤0.70HPA−HPB>0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.