Carrier particles for electrostatographic developers
US5989767A · kind A · utility
10Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Dec 15, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1136
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Carrier particles for developers used in electrostatographic imaging processes such as electrophotography comprise core particles such as strontium ferrite having a coating that comprises a silicone resin admixed with an alkali metal salt of an organic acid. The novel carrier particles provide faster charging rates for toner, less toner throw-off and improved charge stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.