Toner
US8940467B2 · kind B2 · utility
44Cited by
21References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2013 |
| Grant date | Jan 27, 2015 |
| Priority date | — |
| Expiry date | Feb 28, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/091
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner is provided that, even in a small amount thereof, gives a satisfactory image density and that is free of image problems, e.g., fogging and offset resistance, even during long-term use and in a high-temperature, high-humidity environment. The toner contains a binder resin, a pigment, and a prescribed azo compound wherein, designating as (A) the solubility of the azo compound in a toluene-hexane solubility test and as (B) the solubility of the binder resin constituting the toner in the toluene-hexane solubility test, the (A) and the (B) satisfy the relationship |(B)−(A)|≦60.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.