Use of solid betaine product and method for its manufacture
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United States of America Patent
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Mar 12, 2013
Grant Date -
May 10, 2012
app pub date -
May 6, 2010
filing date -
May 8, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to the use of solid betaine for de-icing and/or preventing slipperiness. The solid betaine comprises at least one non-betaine compound affecting water and/or moisture movement in said solid betaine. The invention further relates to a process for the manufacture of solid betaine. A suspension comprising betaine crystals is prepared from a feed liquid and the betaine crystals are separated and washed. The amount of wash liquid is adjusted in order to leave 0.5 to 10 w-% of at least one non-betaine compound in said solid betaine.
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