Method of making fluorescent toner
US4865937A · kind A · utility
21Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1988 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | Sep 26, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0926
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a method of making a fluorescent toner for use in electrostatography and a fluorescent toner and developer made by that method. A solution is prepared which comprises an organic solvent, a fluorescent dye, and an organic polymer. A pigment is precipitated by mixing the solution with a non-solvent for the polymer in the presence of a dispersant. The pigment is melt compounded with a polymeric organic binder and the melt compounded mixture is comminuted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.