Chemical body warmer
US11944570B2 · kind B2 · utility
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8Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 3, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Jan 3, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2007/036
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
It is an object of the present invention to provide a chemical body warmer that achieves a sufficient heating effect even in a low-temperature environment at about 10° C. or less. A chemical body warmer including a flat housing including one or a plurality of cells each containing an exothermic composition that generates heat upon contact with air, wherein a total area of the cell or the plurality of cells in a plan view of the housing is 200 cm2 or more, and the chemical body warmer is used by being placed under a blanket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.