Toner, developer, and image forming apparatus
US9563141B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 20, 2014 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Jan 20, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G81/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner, including: a copolymerization resin, wherein the copolymerization resin includes: a unit derived from a polyester resin including a polycarboxylic acid having a valence of 2 or more and a polyol having a valence of 2 or more; and a unit derived from a resin having a polyhydroxycarboxylic acid skeleton, where the unit derived from the resin having a polyhydroxycarboxylic acid skeleton is bonded to the unit derived from the polyester resin via at least one of a urethane group and a urea group, and wherein the toner has a relative degree of crystallization of 10% or more and less than 50%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.