Latent image photographic system
USRE28956E · kind E · reissue
0Cited by
3References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 1971 |
| Grant date | Sep 7, 1976 |
| Priority date | — |
| Expiry date | Feb 1, 1991 |
Classification
- Technology area (CPC —)General
Abstract
This invention relates to compositions which are sensitive to light and suitable for photography and photographic reproduction purposes. More particularly, the invention relates to the production of stable, colored print-out and developable-out images produced by exposing to light, and to light and heat, combinations of aryl amines, halogenated hydrocarbon compounds, and N-vinyl compounds disposed in a suitable base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.