Toner particle having a hardnes of 6.0 to 24.0 mN and a circularity of 0.92 to 0.99
US7018765B2 · kind B2 · utility
1Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2003 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Sep 16, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0821
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic photographic image forming toner is disclosed. The toner comprises a toner particle containing a binder resin and a colorant in which the binder resin has a specific softening point of from 105 to 132° C. and the toner particle has a hardness of from 6.0 to 24.0 mN and a circularity of from 0.92 to 0.99.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.