Color toner comprising two binder resins of differing softening point
US5840456A · kind A · utility
72Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1996 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Aug 8, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color toner includes a binder resin composition comprising a binder resin A with a softening point in the range of 85.degree. to 110.degree. C., and a binder resin B with a softening point in the range of 115.degree. to 135.degree. C., with the binder resin A and the binder resin B being compatible with each other; a coloring agent; and a wax with a melting point in the range of 65.degree. to 90.degree. C., which is not compatible with the binder resin composition and dispersed in the binder resin composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.