Liquid developer
US11624987B2 · kind B2 · utility
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54References
5Claims
0Family size
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Key dates
| Filing date | Sep 14, 2020 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Jan 9, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1355
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid developer comprising: a toner particle containing binder resin; a carrier liquid; and a basic toner particle dispersing agent, wherein the basic toner particle dispersing agent is a primary amine, an acid value of the binder resin is at least 10 mg KOH/g, an acid value of a component having a molecular weight of not more than 2,000 contained in the binder resin is not more than 5 mg KOH/g, and a hydroxyl value of the component having a molecular weight of not more than 2,000 contained in the binder resin is not more than 10 mg KOH/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.