Liquid developer
US5789133A · kind A · utility
9Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1997 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Feb 6, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Toner particles having a polar group of either an acid group or a basic group at least on surface layers thereof are employed, and a polymer, which contains a polar group of reverse polarity to the polar group of the surface layers of the toner particles and is soluble in a medium, is added to the medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.