1-phenyl-5-mercapto tetrazoles
US4593108A · kind A · utility
0Cited by
15References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1982 |
| Grant date | Jun 3, 1986 |
| Priority date | — |
| Expiry date | Jun 11, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C8/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There are disclosed novel compounds which are represented by the formula ##STR1## wherein X represents the nonmetallic atoms necessary to form a nucleus which completes a 5- or 6-membered heterocyclic moiety, R is H, an alkali metal or a group which is cleavable in aqueous alkaline medium and Z is H, alkyl having from 1 to 10 carbon atoms, aralkyl such as benzyl or phenethyl, phenyl or substituted phenyl. The compounds are useful in photographic applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.