Polyester toner composition for electrophotographic imaging systems
US6001980A · kind A · utility
14Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Sep 3, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0916
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention provides a free-flowing polyester dye powder which has superior stability and transparency for application in electro-photographic imaging systems. In another embodiment this invention provides novel chromophoric diester monomers which are reacted with diol monomers to form an invention polyester dye. A present invention toner composition comprises particulate polyester dye, and one or more optional components such as a charge control agent or a surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.