Method of forming stable aqueous solutions of stannous compounds
US5487906A · kind A · utility
25Cited by
11References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 15, 1994 |
| Grant date | Jan 30, 1996 |
| Priority date | — |
| Expiry date | Dec 15, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01G19/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for the preparation of an aqueous stable premix containing a stannous ion releasing compound useful in the manufacture of an aqueous oral care composition containing a stable stannous ion releasing compound which comprises first dissolving the stannous compound in an aqueous solution of critic acid or its alkali metal salt to prepare the aqueous premix to the vehicle of the oral care composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.