Toner for developing electrostatic images
US5741617A · kind A · utility
30Cited by
13References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1995 |
| Grant date | Apr 21, 1998 |
| Priority date | — |
| Expiry date | Jun 1, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner for developing electrostatic images, which comprises a binder resin, a colorant and a wax composition, characterized in that the wax composition has a molecular weight distribution as measured by GPC, having a maximum in the region of molecular weight of from 350 to 850 and a maximum in the region of molecular weight of from 900 to 4,000; and the wax composition contains an ester wax with a weight average molecular weight (Mw) of from 350 to 4,000 and a number average molecular weight of from 200 to 4,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.