Hybrid toner and method of preparing the same
US8137885B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Apr 4, 2008 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Jan 19, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0604
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A hybrid toner includes micro cylinders, cores inserted into the micro cylinders, and an external addition layer covering the micro cylinders to which the cores are inserted. The hybrid toner prevents a toner blocking phenomenon, image contamination, and low storage stability which occur due to dispersion of wax and colorants to an outer surface of the toner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.