Emulsion aggregation toner containing a mixture of waxes incorporating an improved process to prevent wax protrusions and coarse particles
US6808851B2 · kind B2 · utility
9Cited by
25References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2003 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Mar 27, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0815
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process for the preparation of emulsion aggregation toner particles with high pigment loading having a reduced number of wax protrusions on the surface of the toner particles and fewer coarse toner particles. The process includes the introduction of a wax having a molecular weight between about 500 and 2,500, or a blend of waxes having different a molecular weight between 500 and 2,500.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.