Photosensitive colorant materials
USRE30235E · kind E · reissue
0Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 15, 1978 |
| Grant date | Mar 18, 1980 |
| Priority date | — |
| Expiry date | Dec 15, 1998 |
Classification
- Technology area (CPC —)General
Abstract
Colorant materials which exhibits useful levels of electrical photosensitivity are disclosed. These materials have the formula: ##STR1## wherein .[.n represents 0 or 1,.]. PA1 m represents 1 or 2, PA1 Ar represents an aromatic group, PA1 A represents an alkylene group, PA1 R.sup.1 and R.sup.2, when taken together, represent an alkylene group, PA1 R.sup.1, R.sup.4, R.sup.5, and R.sup.6, when taken alone, each represent hydrogen, nitro, cyano, halogen, or one of various specified organo groups, and PA1 R.sup.2, when taken alone, represents hydrogen, an aromatic or an alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.