Refrigerant composition
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United States of America Patent
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Jul 12, 2011
Grant Date -
Jan 27, 2011
app pub date -
Sep 7, 2010
filing date -
Sep 27, 2005
priority date (Note) -
Expired
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Abstract
To provide a safe, nontoxic, and high-performance mixed refrigerant for hot water supply/heating system which is prepared by mixing dimethyl ether with carbon dioxide and which does not deplete the ozone layer, has a low global warming potential, and permits low-pressure operation.A refrigerant composition for hot water supply/heating comprising 1 to 10% by mole of dimethyl ether and 99 to 90% by mole of carbon dioxide on the basis of the total number of moles of dimethyl ether and carbon dioxide.
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