Process for the manufacture of tablet detergent compositions
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United States of America Patent
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Mar 18, 2003
Grant Date -
N/A
app pub date -
Oct 2, 2000
filing date -
Feb 10, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Detergent tablets for use in fabric washing are made by mixing: (i) particles which contain non-soap organic surfactant and other materials, especially detergency builder, with (ii) material which is other than soap or organic surfactant and which has a solubility in water of at least 10 gm/liter at 20.degree. C., followed by compacting the mixture into a tablet or a region of a tablet using an applied pressure in a range from 3.0 to 35 MPa. Such a pressure, used with the specified mixture, leads to tablets with good strength which also disintegrates with satisfactory speed.
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