Alkylthioalkyl-substituted alkylsulfonylacetonitriles
US3975423A · kind A · utility
5Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1975 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | May 8, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C8/365
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This application is directed to compounds of the formula ##EQU1## wherein R.sup.1 and R.sup.2 each represent lower alkyl and m is a whole number 2 to 5, preferably 2 or 3. These compounds are useful as silver halide solvents in photography.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.