Liquid developer compositions with copolymers
US5866292A · kind A · utility
9Cited by
7References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1997 |
| Grant date | Feb 2, 1999 |
| Priority date | — |
| Expiry date | Jul 23, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/135
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A positively charged liquid developer comprised of a nonpolar liquid, thermoplastic resin particles, pigment, a charge director, and a charge control agent comprised of a PEO:PPO, preferably in a solid form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.