Method for the preparation of biliquid foam compositions
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United States of America Patent
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Jan 8, 2008
Grant Date -
Mar 3, 2005
app pub date -
Jan 31, 2003
filing date -
Jan 31, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method for the preparation of a biliquid foam which does not rely upon the initial formation of a gas foam, in which a stirrer having a single or a multiplicity of blades is used, the stirrer being operated in a manner such that at least one part of the stirrer mechanism breaks the interface between the continuous polar phase used to form the biliquid foam and the air, the non-polar phase being added dropwise at least initially whilst stirring the continuous polar phase and the rate of addition of the non-polar phase being controlled so that a biliquid foam composition is formed.
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