Image forming toner, and image forming method and image forming apparatus using the toner
US6699632B2 · kind B2 · utility
39Cited by
42References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Feb 24, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/2041
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming toner is provided, including at least:a binder resin; a colorant; and a release agent, wherein a volume-average particle diameter of the toner measured by a Coulter counter is from 5 to 8 &mgr;m; the content of the toner having a volume-average particle diameter of not greater than 5 &mgr;m is 60 to 75% by number; and the content of the toner having a number-basis circle-equivalent particle diameter of from 0.6 to 3 &mgr;m measured by a flow-type particle image analyzer is not greater than 25%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.