Pressure sensing layer useful in pressure sensing devices and that comprises film comprising layer of porous matrix material
US12402798B2 · kind B2 · utility
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Key dates
| Filing date | Apr 18, 2018 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Jun 14, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2483/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Pressure sensing layers, devices comprising same, pressure sensing monitors and composite materials comprising a) a porous matrix material comprising a siloxane polymer, comprising a closed porosity volume fraction, and, optionally, an open porosity volume fraction, and b) a conductive or semiconductive filler substantially present in the closed porosity volume fraction of the porous matrix material a), and films, coated substrates and multilayer structures comprising the composite material and the use thereof in pressure sensing devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.