Toner particle processing
US9086641B2 · kind B2 · utility
1Cited by
14References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2013 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Nov 29, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09733
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process includes adding a particulate toner additive to toner particles to form a slurry, filtering the slurry to form a filter cake, the particulate toner additive functioning as a filtration aid, and washing the filter cake, after the washing step the toner particles have a portion of the particulate toner additive adhered thereto, and de-agglomerating/drying the toner particles with the additive, after the drying step the toner particles have a portion of the particulate toner additive adhered thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.