Electrostatic developing toner with hydroxyaromatic carboxylic acid additive
US5200288A · kind A · utility
12Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1991 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | Dec 11, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09733
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image-developing toner comprising at least a resin and a colorant, which contains at least one compound selected from the group consisting of a hydroxynaphthlenecarboxylic acid compound, a hydroxyanthracenecarboxylic acid compound, a bishydroxynaphthalenecarboxylic acid compound a bishydroxyanthracenecarboxylic acid compound, and a metal compound of a pamo acid-type compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.