Toner, developer, image developer and image forming apparatus
US7749674B2 · kind B2 · utility
2Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2007 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Jul 30, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08742
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner including toner particles including a binder resin, a colorant, and an inorganic particulate material present on a surface of the toner particles. The toner particles have a surface roughness (Ra) of from 1 to 30 nm, a standard deviation of the surface roughness of from 10 to 90 nm and include 1 to 20 convexities per 1 μm, which have a height not less than 10 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.