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US 4,392,971 AGranted
Heat storage material
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsHiroshi Kimura, Junjiro Kai
Life of this patent
Estimating the term…
Abstract
A heat storage material comprises a composition of CaCl.sub.2.6H.sub.2 O for preventing a crystallization of CaCl.sub.2.4H.sub.2 O and 0.01 wt. % or more of at least one compound selected from the group consisting of KCl, RbCl, NaCl, NaF, Na.sub.3 AlF.sub.6 and other double salts of NaF.
Claims3
A heat storage material which comprises a composition of CaCl.sub.2.6H.sub.2 O modified for preventing a crystallization of CaCl.sub.2.4H.sub.2 O and 0.01 to 3 wt.% of at least one compound selected from the group consisting of KCl, RbCl, NaCl, NaF, NaMgF.sub.3, NaYF.sub.4, NaY.sub.3 F.sub.10 and NaThF.sub.6.
Dependencies are inferred from the claim text.