Toner for developing electrostatic latent images and image-forming apparatus
US6284422A · kind A · utility
1Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Apr 25, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0975
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner for developing electrostatic latent images comprises a polyester resin and an electric charge controlling agent containing a chromium complex compound, wherein the polyester resin has an acid value Z of 15 to 30 (15<Z.ltoreq.30) mgKOH/g and a hydroxyl value Y of 4 to 17 (4.ltoreq.Y.ltoreq.17) mgKOH/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.