Liquid developer compositions with block copolymers
US5459007A · kind A · utility
25Cited by
8References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1994 |
| Grant date | Oct 17, 1995 |
| Priority date | — |
| Expiry date | May 26, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/133
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid developer comprised of a liquid, thermoplastic resin particles, a nonpolar liquid soluble charge director comprised of an ionic or zwitterionic quaternary ammonium block copolymer ammonium block copolymer, and wherein the number average molecular weight thereof of said charge director is from about 70,000 to about 200,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.