Electrophoretic migration imaging process
US4197120A · kind A · utility
7Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1977 |
| Grant date | Apr 8, 1980 |
| Priority date | — |
| Expiry date | Feb 2, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G17/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved electrophoretic migration imaging process is disclosed wherein the improvement comprises the use of electrically photosensitive particles containing a colorant having an absorption maximum greater than about 410 nm. and having the formula: ##STR1## wherein n represents 0 or 1; m represents 1 or 2; Ar represents an aromatic group; Z represents the nonmetallic atoms to complete an aromatic group; and each of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represents hydrogen, nitro, cyano, halogen, or one of various specified organo groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.