Metallic toner particles
US10935901B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2019 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Nov 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Described herein is a metallic toner. The metallic toner includes flake shape toner particles having a binder resin, zinc stearate, silica having a particle size of from 7 nm to less than 12 nm in an amount of about 0.1 weight percent to 1.0 about weight percent of the flake shape toner particle and tabular shape metallic pigments. The flake shape toner particles have an average major axis length of from 6 μm to 20 μm, an average thickness of from 1 μm to 4 μm and an average circularity of from 0.5 to 0.97. The tabular shape metallic pigments have an average major axis length of from 1 μm to 14 μm an average thickness of from 0.01 μm to 0.5 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.