Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1996-03-29
1998-04-07
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510309, 510317, 510318, 510369, 510372, 134 40, C11D 339, C11D 3395, C11D 708
Patent
active
057364974
ABSTRACT:
A phosphorus-free and boron-free cleaning composition containing a phosphorus-free aqueous solution containing an active ingredient (e.g., hydrogen peroxide or a compound capable of releasing hydrogen peroxide under the conditions prevailing in use of the composition), at least one organic stannate which is a tetravalent tin complexed with dicarboxylic acid, hydroxy carboxylic acid, or tricarboxylic acid, and optionally at least one organic stabilizer which is a benzoate, a sulfonic acid or salt, or mixtures thereof. The active ingredient is hydrogen peroxide or a percarbonate. The aqueous solution has an alkaline pH.
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Chemical and Engineering News, 23 Jan. 1995, pp. 30-53.
Degussa Corporation
Delcotto Gregory R.
Lieberman Paul
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