Polymer coated carrier particles for electrophotographic developers
US4937166A · kind A · utility
341Cited by
13References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1987 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | Dec 22, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier composition comprised of a core with a coating thereover comprised of a mixture of first and second polymers that are not in close proximity thereto in the triboelectric series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.