Liquid developer compositions
USH1483H · kind H · statutory invention registration
5Cited by
0References
32Claims
0Family size
Inventors
Key dates
| Filing date | — |
| Grant date | Sep 5, 1995 |
| Priority date | — |
| Expiry date | — |
Classification
- Technology area (CPC —)General
Abstract
A liquid developer comprised of thermoplastic resin particles, and a charge director comprised of an ammonium AB diblock copolymer of the formula ##STR1## wherein X.sup.- is a conjugate base or anion of a strong acid, R is hydrogen or alkyl, R' is alkyl, R" is an alkyl group containing from about 6 to about 20 carbon atoms, and y and x represent the number average degree of polymerization (DP) wherein the ratio of y to x is in the range of from about 10 to 2 to about 100 to 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.