Water-based organic bismuth, elemental sulfur and lithium carbonate sterilization indicator composition
US9588052B2 · kind B2 · utility
2Cited by
11References
11Claims
0Family size
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Key dates
| Filing date | Dec 18, 2012 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Apr 12, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N31/226
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Water-based formulations comprising an indicating composition dispersed in water are described. The water-based indicating compositions include an organic Bi(III) compound, a sulfur source, and a carbonate salt. Formulations further including a resin and/or an acidic additive are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.