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:
Jul. 06, 1982
Filed:
Apr. 01, 1980
Applicant:
Inventor:
Teizo Yamaji, Yamaguchi, JP;
Assignee:
Teitin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41C / ; F41C / ; F24J / ; A61F / ;
U.S. Cl.
CPC ...
44 / ; 44 / ; 126204 ; 126263 ;
Abstract
A solid heat-generating composition utilizing the heat of hydration of calcium oxide, comprising calcium oxide and a solid substance supplying water capable of reacting with calcium oxide such as a solid substance having water of absorption, adsorption or crystallization, and an organic compound which yields water by an intramolecular or intermolecular reaction at elevated temperature. The composition can be utilized in various applications utilizing heat generation, for example for thawing and heating frozen foods, controlled releasing of agricultural chemicals such as insecticides or repellents, warming human body, etc.