Photographic compositions and elements including internal latent image silver halide grains and acylhydrazinophenylthiourea nucleating agents therefor
US4030925A · kind A · utility
39Cited by
9References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1976 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Jun 29, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C335/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A radiation-sensitive composition is disclosed including silver halide grains capable of forming an internal latent image and an acylhydrazinophenylthiourea nucleating agent. This composition can be used as a coating on a support to form a photographic element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.