Toners comprising modified pigments and processes for preparing the same
US7655372B2 · kind B2 · utility
5Cited by
4References
76Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2006 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Jun 15, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09783
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to toner compositions comprising a resin and a colorant. Various embodiments of the colorant used in the toner compositions are disclosed, including a modified pigment comprising a pigment having attached at least one organic group having the formula —X—I, wherein X, which is directly attached to the pigment, represents an arylene or heteroarylene group, or an alkylene group, and I represents a non-polymeric group comprising at least one ionic group or at least one ionizable group. Processes for preparing toner compositions are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.