Toner and developer
US8932789B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2012 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | Aug 24, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
To provide a toner, which contains: a non-crystalline polyester resin A obtained through a reaction between a non-linear chain reactive precursor and a curing agent, and having a glass transition temperature of −60° C. to 0° C.; a non-crystalline polyester resin B having a glass transition temperature of 40° C. to 70° C.; and a crystalline polyester resin C, wherein the toner has a glass transition temperature Tg1st of 20° C. to 40° C. as measured with first heating in differential scanning calorimetry (DSC).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.