Methods for synthesizing zinc-lysine-chloride complex
US11117906B2 · kind B2 · utility
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29References
12Claims
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Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Dec 16, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/58
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed herein are improved methods for the synthesis of zinc-amino acid-halide complexes via reaction of zinc oxide and amino acid hydrochloride in a solvent comprising a polyol, as well as oral care compositions comprising said complexes made according to said method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.