Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...
Patent
1990-03-14
1990-09-25
Pal, Asok
Cleaning and liquid contact with solids
Processes
For metallic, siliceous, or calcareous basework, including...
134 41, 252 794, 252142, 25217412, 25217415, B08B 308
Patent
active
049591053
ABSTRACT:
A composition and process for cleaning an aluminum-containing article is disclosed. The process comprises contacting a debris-laden aluminum-containing article with a composition at conditions effective to do at least one of the following: (1) remove at least a portion of the debris from the aluminum-containing article and (2) condition at least a portion of the debris for removal from the aluminum-containing article. The composition comprises water; at least one polycarboxylic acid component selected from the group consisting of polycarboxylic acids, salts of polycarboxylic acids and mixtures thereof; at least one acidic component in an amount effective to increase the solubility of the polycarboxylic acid component in the composition; and at least one acid acting enzyme in an amount effective to at least facilitate the removal of debris from an aluminum-containing article contacted with the composition.
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Fox Charles E.
Fox Patsy E.
Neidiffer Fred
Pal Asok
Peterson Gordon L.
Uxa, Jr. Frank J.
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