Reusable heat pack, method of manufacture thereof, mixture for use in a reusable heatpack and process for the preparation thereof
US6537309B2 · kind B2 · utility
6Cited by
22References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2001 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Mar 26, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2007/0292
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention discloses a reusable heat pack comprising a soft sealed plastic bag containing a mixture of supercooled supersaturated recrystalizable solution of inorganic substance, alcohol, chemical compound additives, and means to trigger recrystallization of supercooled supersaturated recrystalizable solution of inorganic substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.