Developer compositions with toner, coated carrier and lubricant
US4331756A · kind A · utility
8Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1980 |
| Grant date | May 25, 1982 |
| Priority date | — |
| Expiry date | Nov 4, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1133
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Electrophotographic developer compositions containing carrier, toner and special purpose additives such as flow promoters, dry lubricants and the like are prepared by coating carrier particles with a coating selected so that the triboelectric relationship between the surface of the carrier and the surface of the additive is substantially zero.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.