Stable solution of zinc ions and bicarbonate and/or carbonate io

Details Stable solution of zinc ions and bicarbonate and/or carbonate io Stable solution of zinc ions and bicarbonate and/or carbonate io

1998-12-29

2000-01-18

Rose, Shep K.

Drug, bio-affecting and body treating compositions

Dentifrices

424462, 424717, 424 67, A61K 716, A61K 736, A61K 31315, A61K 3330

Patent

active

060155477

ABSTRACT:
A storage stable aqueous solution or aqueous gel of zinc ions in the presence of bicarbonate ions is disclosed. The solution comprises: (a) a source of zinc ion, (b) a source of a stabilizing anion which can stabilize soluble zinc and bicarbonate and/or carbonate in solution; (c) a source of bicarbonate ion; and (d) a solvent therefor. The solvent comprises a major proportion of water. The zinc salt is present in an amount suitable for the intended purpose; the stabilizing anion in an amount B of at least 1.2 equivalents per equivalent of zinc ion; and the bicarbonate ion cannot exceed certain levels which are related to the level of the stabilizing anion.

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