Low pH sysnthesis of zinc-lysine complex
US9718843B2 · kind B2 · utility
6Cited by
2References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 18, 2014 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Jun 18, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The disclosure provides an improved synthesis for a zinc-lysine complex having the formula [Zn(C6H14N2O2)2Cl]+Cl−, in which a zinc compound selected from ZnO and ZnCl2, is reacted with a lysine compound selected from lysine and lysine.HCl, in aqueous acid. The disclosure also provides oral care and personal care compositions comprising the complex prepared by the synthesis, and methods of using these complexes and compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.