Heat-transfer systems
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United States of America Patent
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Aug 5, 2008
Grant Date -
Jan 20, 2005
app pub date -
Jul 6, 2004
filing date -
Jul 7, 2003
priority date (Note) -
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Abstract
An improved system for transferring heat, utilizing diols, specifically 1,3-propanediol (PDO). The system reduces the energy consumption, maintenance costs, corrosion, toxicity, and the risk of fire associated with such heat-dependent processes. Unlike traditional hydrocarbon heating fluids, diols do not require draining and replacement if a purifier is installed in the system. Business methods are also disclosed.
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