Charge control agent and toner using same
US6830859B2 · kind B2 · utility
10Cited by
15References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 7, 2002 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Dec 4, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0975
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charge control agent containing a barium salt of a sulfoisophthalic acid compound and optionally a metal salt of a salicylic acid compound. A toner for developing an electrostatic latent image comprising such a charge control agent, a binder resin and a colorant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.