Volatile liquid analysis
US12332165B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2019 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Jul 3, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06N3/096
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for analyzing a volatile liquid mixture is described. The method includes providing a sensor, and placing the sensor within a chamber. The mixture is stored in the chamber for a duration sufficient to achieve a series of dynamic non-equilibrium mass-transfer processes: (1) spreading and wetting of the analyte on at least a portion of the bottom-inside surface of the chamber from the source of the injection, (2) evaporation of at least a portion of the analyte liquid into a vaporized analyte, (3) convection and/or diffusion of the vaporized analyte through the chamber to the sensor, and (4) sorption of the vaporized analyte on the sensor. The sensor detects, over time, a plurality of non-equilibrium spectral responses, each corresponding to at least one compositional change in the analyte liquid. The method further includes machine learning algorithms to measure or predict the compositional change and/or presence of contaminants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.