Charge control agent, toner using same developer containing the toner and developing device containing the developer
US6977129B2 · kind B2 · utility
8Cited by
12References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 9, 2002 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Dec 11, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2913
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charge control agent containing a calcium salt of a sulfoisophthalic acid compound. A toner for developing an electrostatic latent image including the above charge control agent, a binder resin and a colorant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.