Magnetic toner
US4994340A · kind A · utility
15Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Sep 18, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08704
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A magnetic toner comprising at least a binder resin, a magnetic powder and polyolefine is disclosed. The magnetic toner comprises a Wadel's globularity ranging from 0.4 to 0.8, and polyolefine comprises a content ranging from 10 to 40 weight % on a surface of the toner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.