C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/02 (2006.01) F24J 1/00 (2006.01) F28D 20/02 (2006.01)
Patent
CA 2085359
The present invention provides reusable warmers of the supersaturated solution type that are substantially free of saddle-bagging. The warmers also exhibit a more sustained period of time during which the heat pack remains within a therapeutically useful temperature range. The reusable warmers of the present invention also maintain a substantial degree of flexibility during their useful heat cycle. The reusable warmers comprise a flexible container, and located within said container, a supercooled salt solution, an activator for initiating crystallization of said supercooled salt solution; and a gelling agent, said gelling agent being present insufficient quantity to convert said salt solution to a gel.
Vessies chauffantes réutilisables du type contenant une solution sursaturée, pratiquement exempte de déplacement du liquide vers le bas. Lesdites vessies chauffantes conservent également plus longtemps une température située dans un éventail de températures thérapeutiquement utiles. Elles gardent en outre un degré de souplesse considérable pendant leur cycle de chaleur utile. Lesdites vessies chauffantes réutilisables comportent une enveloppe souple contenant une eau de sel surfondue, un activateur destiné à faire démarer la cristallisation de ladite eau de sel surfondue et un agent gélifiant, ledit agent gélifiant étant présent en quantité suffisante pour transformer l'eau de sel en gel.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Prism Enterprises Lp
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