Ethylene oxide sterilization sensor including acid-functional sorbent and method of use
US11951226B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Nov 12, 2020 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | May 24, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2101/44
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ethylene oxide sterilization sensor, and method of use, wherein the sensor includes: a heat-shrinkable film; an acid-functional porous sorbent in thermal contact with the heat-shrinkable film; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5, wherein the acid is impregnated in or covalently attached to the porous sorbent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.