Black toner for developing electrostatic latent images with carbon black dispersed in specific distribution
US5759728A · kind A · utility
4Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1997 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Feb 19, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0904
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a black toner for developing electrostatic latent images, comprising at least a binder resin and carbon black, characterized in that a mean primary particles size and particle size distribution of the carbon black dispersed in the binder resin are adjusted within a specified range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.