Monocyclic telluropyrones
US4431586A · kind A · utility
1Cited by
0References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1981 |
| Grant date | Feb 14, 1984 |
| Priority date | — |
| Expiry date | Jul 1, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D345/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention discloses novel mononuclear telluropyrone compositions of matter and a method for making such compositions. The compositions are useful intermediates for making telluropyrylium electron accepting dye sensitizers for photoconductive compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.