Sensitizing dyes for photographic materials
US5091298A · kind A · utility
9Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1990 |
| Grant date | Feb 25, 1992 |
| Priority date | — |
| Expiry date | Jul 19, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B23/145
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Dyes according to formulas (I), (II), (III), (IV), and (V) below are described. The dyes are useful as low-staining sensitizing dyes for photographic materials. ##STR1## Z.sub.1, Z.sub.2, Z.sub.3, R.sub.1, R.sub.2, L, D, G, X, n, P, and q are defined herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.