METHOD FOR THE PRODUCTION OF AN ICE SURFACE FOR ICE RINKS
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United States of America Patent
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Issued Date -
Dec 10, 2009
app pub date -
Jun 19, 2007
filing date -
Jun 23, 2006
priority date (Note) -
Abandoned
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Abstract
A method for producing an ice surface for an ice rink by freezing water to which an inorganic substance is added is characterized in that the inorganic substance is ammonia, an alkali hydroxide or alkaline earth hydroxide, a hydrogen halide, nitric acid, sulfuric acid, phosphoric acid, an alkali salt, alkaline earth salt or ammonium salt of said acids, or ammonium-bicarbonate, or a mixture of several of said substances.
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