The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 1995
Filed:
Mar. 29, 1994
Applicant:
Inventors:
Hiroyuki Kakiuchi, Yokkaichi, JP;
Masahiro Oka, Yokkaichi, JP;
Assignees:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Mitsubishi Petrochemical Engineering Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 70 ; 165 10 ;
Abstract
The present invention relates to a latent heat storage material composition comprising 70 to 90 wt % of sodium sulfate decahydrate, 3 to 17 wt % of ammonium chloride, 1 to 13 w % of sodium chloride and 1 to 13 wt % of ammonium sulfate. The composition can be frozen with cooled water of 4.degree. to 5.degree. C., has a melting point of 10.degree. to 13.degree. C., has large latent heat at the melting point and exhibits excellent long-term performance.