Toner
US7629100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2007 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Jul 8, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An object of the present invention is to provide a toner which: is excellent in fixing ability such as low-temperature fixability, hot offset property, and separability even in a fixing system excellent in quick start property and energy saving property; has high gloss; and is excellent in development stability and transferability irrespective of environments. The toner of the present invention includes toner particles each containing at least a binder resin and a colorant, in which, in a case where a tetrahydrofuran (THF) insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 2 hours is represented by A (mass %), a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 4 hours is represented by B (mass %), a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 8 hours is represented by C (mass %), and a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 16 hours is represented by D (mass %), A, B, C, and D satisfy the following express…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.