Toner composition including positive and negative tribocharging hydrophobic extra-particulate additives
US6004711A · kind A · utility
12Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1999 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Feb 3, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09725
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Toner compositions comprise (a) a toner particulate including resin, magnetic component and charge control agent, and (b) an extra-particulate additive comprising a first hydrophobic additive having negative tribocharging properties and a second hydrophobic additive having positive tribocharging properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.