Electrostatic image developing toner, process for the production thereof, electrostatic image developer and process for the formation of image
US6153346A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1999 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Feb 24, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0819
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is an electrostatic image developing toner comprising a binder resin and a coloring agent, which exhibits a volume-average particle distribution GSDv of not more than 1.26 and an acid value of from 1.0 to 20 mgKOH/g and contains a surface active agent in an amount of not more than 3% by weight in the particulate toner and an inorganic metal salt having an electric charge having a valence of two or more in an amount of from not less than 10 ppm to not more than 1% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.