Method for stabilizing organic substrate materials including photographic dye images to light and a photographic material so stabilized
US4242431A · kind A · utility
44Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1978 |
| Grant date | Dec 30, 1980 |
| Priority date | — |
| Expiry date | Dec 14, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of stabilizing an organic substrate material such as a photographic dye against the action of light having an absorption maximum between about 300 nm and about 800 nm in wavelength by making co-exist with the organic substrate material at least one compound represented by the formula (I) defined in the specification is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.