One component developer for developing electrostatic image and image forming method
US5041351A · kind A · utility
19Cited by
10References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1989 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Mar 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/104
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer for developing electrostatic images, comprising: at least, 100 wt. parts of a negatively chargeable magnetic toner having a volume-average particle size of 5 to 30 microns; 0.1 to 3 wt. parts of potitively chargeable resin particles having an average particle size of 0.1 to 1.0 micron; and 0.05 to 3 wt. parts of hydrophobic silica fine powder having a triboelectric chargeability of -100 to -300 .mu.c/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.