Toner, process cartridge, and image forming apparatus
US8652719B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2012 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Apr 21, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A set of toners including yellow, cyan, magenta, and black toner, each of which containing a binder resin containing a crystalline resin and a non-crystalline resin, a releasing agent, and a corresponding coloring agent, wherein the following relationship is satisfied: 0.8<EBk/EFc<0.95, where EBk represents the amount of heat of melting (mJ/mg) for the black toner and EFc represents the average amount of heat of melting (mJ/mg) of the yellow toner, magenta toner, and cyan toner from 50° C. to 100° C. at the first temperature rising in differential scanning calorimetry (DSC).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.