Toner, image forming method and apparatus unit
US6197470A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 22, 2000 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Feb 22, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09716
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner is disclosed which contains toner particles and a hydrophobic fine silica powder. The hydrophobic fine silica powder has the following hydrophobic properties: the transmittance of the measuring sample fluid as defined in the specification at a methanol content of from 60% by volume to 72% by volume is 95% or more, and the transmittance of the measuring sample fluid at a methanol content of 74% by volume is 90% or more. Also, disclosed are an image forming method and an apparatus unit making use of the toner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.