Tellurium(II) photographic materials
US4208478A · kind A · utility
3Cited by
1References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1977 |
| Grant date | Jun 17, 1980 |
| Priority date | — |
| Expiry date | Oct 13, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/165
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A Te(II) complex represented by the formula: RTeM(R').sub.3 wherein M is lead, tin, germanium or silicon; R and R' are alkyl or aryl is useful in an imaging material to provide a non-silver image. The imaging material can be a photographic material, especially a heat-developable photographic material containing, for example, a photosensitive metal salt other than the Te(II) material or other sources of developable nuclei.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.