Negatively chargeable toner
US6770411B2 · kind B2 · utility
21Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2002 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Mar 28, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09783
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner including a binder resin, a colorant, and a product of an iron compound containing an aromatic hydroxylcarboxylic acid as a ligand and represented by the formula (I) described in the specification, wherein the product has such a characteristic that a filtrate obtained by filtering a dispersion of 10 g of the product dispersed in 200 ml of purified water provides an electric conductivity of not greater than 600 &mgr;S/cm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.