Pressure relief cushion
US12311650B2 · kind B2 · utility
0Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2020 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Jan 16, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2477/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A pressure relief cushion includes an elastic layer which is made from a viscoelastic foam material, an adhesive carrying layer disposed on the elastic layer and including an adhesive portion and a carrier portion for carrying the adhesive portion, a hydrogel layer disposed on the adhesive carrying layer opposite to the elastic layer, and a detachable film disposed on the hydrogel layer opposite to the adhesive carrying layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.