Toner
US7740999B2 · kind B2 · utility
2Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2008 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Aug 5, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09733
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
To achieve improvements in developing performance, transferring performance, and fixing performance, a toner has a glass transition temperature (TgA) of 40 to 60° C. and a temperature (P1) of the highest peak of 70 to 120° C.; cyclohexane (CHX) insoluble matter in the tetrahydrofuran (THF) soluble matter of the toner has a glass transition temperature (TgB) of 80 to 120° C.; TgA and TgB satisfy a specific formula; the toner has a viscosity at 100° C. of 5,000 to 30,000 Pa·s; and the cyclohexane (CHX) insoluble matter has an acid value of 5 to 40 mgKOH/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.