Flexible wrapping material for preserving food freshness
US11472942B2 · kind B2 · utility
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12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2017 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Dec 8, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2303/085
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a flexible wrapping material comprising a coolant gel composition comprising, i) at least one hydrophilic polyurethane prepolymer, ii) a coolant agent, iii) water, and iv) thermally conductive filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.