Toner and developer compositions with surface additives
US5202209A · kind A · utility
71Cited by
6References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1991 |
| Grant date | Apr 13, 1993 |
| Priority date | — |
| Expiry date | Oct 25, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09725
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner composition comprised of resin particles, pigment particles, an optional charge enhancing additive component, or components, and a surface additive, or additives comprised of a metal oxide containing a coating thereover of a surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.