Process for the preparation of a granular detergent composition
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United States of America Patent
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Apr 11, 1989
Grant Date -
N/A
app pub date -
Apr 29, 1988
filing date -
Apr 30, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Granular spray-dried detergent compositions containing a crystal-growth-modified carbonate-based structurant salt are produced by a process in which separate slurries of the structurant salt and of the main detergent composition are prepared in different vessels, then mixed and spray-dried. The structural salt is preferably the sodium carbonate/sodium sulphate double salt Burkeite, crystal-growth-modified by means of a polymeric polycarboxylate.
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