Self-heating food pouch with distributed reactants
US11390448B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2018 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Oct 10, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/3272
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A self-heating product pouch has a first thin flexible material that surrounds and defines a product compartment. A second thin flexible material is coupled to an outwardly-facing surface of the first thin flexible material to define a first heater compartment that is outside, but thermally coupled to, the product compartment. A first thin porous substrate inside the first heater compartment. A granular reactant is distributed throughout the first thin porous substrate. A frangible container is inside the first heater compartment. A liquid reactant is inside the frangible container. The granular reactant and the liquid reactant are adapted to react exothermically upon contact with one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.