Photosensitive colorant materials
US4012376A · kind A · utility
19Cited by
2References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1975 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | Dec 29, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G17/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.