Methods and compositions for removing or reducing formation of precipitates generated in hematoxylin solutions
US10976223B2 · kind B2 · utility
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29Claims
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Key dates
| Filing date | Nov 17, 2017 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Nov 14, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2035/00277
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and compositions for removing precipitates or reducing the formation of precipitates generated in hematoxylin solutions. The methods and compositions feature cleaning solutions that feature chemical compounds that initiate processes including but not limited to acidification of the waste solution, chelation of metal ions in the waste solution, reduction reactions, oxidation reactions, and metal salt addition reactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.