Mildly alkaline dishwashing detergents
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United States of America Patent
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-
Apr 27, 1999
Issued Date -
N/A
app pub date -
Aug 1, 1997
filing date -
Sep 25, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A phosphate-free mildly alkaline, dishwashing detergent composition containing: (a) from 20 to 60% by weight of sodium citrate; (b) from 5 to 50% by weight of alkali metal hydrogen carbonate; (c) from 7 to 12% by weight of alkali metal carbonate; (d) from 2 to 20% by weight of a bleaching agent; (e) from 1 to 8% by weight of a bleaching agent activator; and (f) from 0.2 to 4% by weight of an enzyme, all weights being based on the weight of the composition wherein the composition in the form of a 1% by weight aqueous solution has a pH value of from about 8 to less than 10.
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