Unit dose granulated detergent for cleaning a coffee machine
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United States of America Patent
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Issued Date -
Nov 3, 2005
app pub date -
Apr 20, 2005
filing date -
Apr 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a unit dose detergent for cleaning a coffee machine consisting of a water-soluble sachet filled with a detergent composition comprising: a) 10-40 wt. % of a sequestering agent; b) 15-50 wt. % of a persalt or peracid; c) 0.1-10 wt. % of a scale inhibitor selected from phosphonate and a carboxyl-functional polymer; d) a sufficient amount of an alkaline compound to obtain a pH of at least 10 when the composition is dissolved in water; and e) optionally, to a total of 100 wt. % of ingredients a) to e) of at least one auxiliary agent; wherein 30-100 wt. % of the total of a) to e) is in the form of granules having a mean particle size 250-800 .mu.m, a BET specific surface area of less than 100 m.sup.2/g, and a dissolution rate of less than 1 min in 100 ml of water of 90.degree. C., and to a method of cleaning a coffee machine by dissolving said unit dose detergent.
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