Reusable warmers of the type employing a super-cooled solution and an activator
US5058563A · kind A · utility
23Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 15, 1990 |
| Grant date | Oct 22, 1991 |
| Priority date | — |
| Expiry date | Jun 15, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.