Toner comprising charge control agent
US12429792B2 · kind B2 · utility
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38References
19Claims
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Key dates
| Filing date | Mar 17, 2022 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | Jun 19, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/093
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An emulsion aggregation toner including a toner particle comprising at least one resin; an optional colorant; an optional wax; and a charge control agent disposed on a surface of the toner particle; the control agent comprising a phenyl based siloxane; and a complex formed from a metal ion donor and at least one of a ligand selected from a member of the group consisting of a polyaromatic acid comprising humic acid, a pyranone based ligand, a furanone based ligand, or a combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.