Novel silver complexing agents
US4267256A · kind A · utility
4Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1979 |
| Grant date | May 12, 1981 |
| Priority date | — |
| Expiry date | Oct 1, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C8/365
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There are described photographic products, processes and compositions wherein cyclic crown ether ligands are utilized as silver halide solvents. Also disclosed are novel cyclic crown ether ligands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.