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:
Oct. 22, 1991
Filed:
Jun. 15, 1990
Applicant:
Inventor:
Charles F Manker, Chicago, IL (US);
Assignee:
Prism Technologies, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24J / ;
U.S. Cl.
CPC ...
126263 ; 126204 ; 128403 ;
Abstract
The present invention provides reusable warmers of the supersaturated solution type that are substantially free of saddlebagging. The reusable warmers comprise a flexible container, and located within the container, a supercooled salt solution, an activator for initiating crystallization of the supercooled salt solution, and a gelling agent, the gelling agent being present in sufficient quantity to convert the salt solution to a gel.