Process for the preparation of diaminophenothiazinium compounds having a high degree of purity
US10723710B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | May 16, 2017 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | May 16, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of diaminophenothiazinium compounds is described, which allows achieving quickly and effectively a high degree of purity of the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.