Artificial snow and method of making the same
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United States of America Patent
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Mar 23, 1999
Grant Date -
N/A
app pub date -
Aug 18, 1997
filing date -
Aug 18, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A moldable composition and method of making the same, the composition including a binding mixture and filler in the form of crystalline, irregular, approximately polygonally shaped particles. The binding mixture preferably includes polyvinyl-based binders such as polyvinyl alcohol, water, a cross-linking agent such as borax, and a humectant such as propylene glycol. Furthermore, a cellulose-based thickener may be added to the binding mixture, as may a pH-adjusting compound such as sodium carbonate. The crystalline particles preferably are ground styrene having a maximum dimension ranging from one-half to three millimeters.
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Cited Art Landscape
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