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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.:

US 4255157 B1

PDFFull Text
Date of Patent:
Mar. 10, 1981

Filed:

Sep. 18, 1979

Thermogenic compositions

Applicant:
Inventors:

Denjirou Yamaguchi, Kyobashi, JP;

Noboru Mogi, Kyobashi, JP;

Toshio Seta, Kyobashi, JP;

Kunizo Oishi, Kyobashi, JP;

Yoshihisa Fuzimori, Kyobashi, JP;

Atsushi Suzuki, Kyobashi, JP;

Assignee:

Toyo Ink Manufacturing Co., Ltd., Tokyo, JP;

Attorney:

Jordan and Hamburg

Primary Examiner:

Carl F Dees

Int. Cl.
CPC ...
F24J / ; F24J / ;
U.S. Cl.
CPC ...
44 / ; 126263 ;
Abstract

A thermogenic composition comprising (1) at least one of alkali metal sulphides, polysulphides and hydrates thereof, (2) at least one of carbonaceous materials, (3) at least one of powdered iron, magnesium, aluminum and powdered alloys of these metals and, if desired, calcium oxide, the thermogenic composition being capable of heat generation when contacted with air or oxygen.

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Yamaguchi, Denjirou. (1981). Thermogenic compositions (U.S. Patent No. 4255157). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4255157

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