Patent · US Expired

Latent heat storage material composition

US5567346A · kind A · utility

8Cited by
2References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 7, 1994
Grant dateOct 22, 1996
Priority date
Expiry dateDec 7, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K5/063
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a latent heat storage material composition comprising 65 to 85 wt % of sodium sulfate decahydrate, 1 to 20 wt % of ammonium chloride and 1 to 20 wt % of sodium bromide, and optionally 1 to 20 wt % of ammonium sulfate. The composition has a melting point of 5.degree. to 10.degree. C., has large latent heat at the melting point and exhibits excellent long-term performance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.