Use of specific counteranions to modify the solubility of tetrazolium salts
US5250695A · kind A · utility
5Cited by
5References
10Claims
0Family size
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Key dates
| Filing date | Jun 15, 1992 |
| Grant date | Oct 5, 1993 |
| Priority date | — |
| Expiry date | Jun 15, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are sulfonate and phosphonate salts of tetrazolium compounds whose enhanced solubility in various solvents renders them particularly suitable for use as redox indicators in dry reagent, diagnostic test systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.