Trace analyte collection swab
US11506576B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2019 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Aug 9, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2001/2833
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A trace analyte collection swab having a collection surface at least partially coated with a microscopically tacky substance to enhance pick-up efficiency is described. In embodiments, the truce analyte collection swab comprises a substrate including a surface having a trace analyte collection area and a coating disposed on the surface of the substrate in the trace analyte collection area. The coating is configured to be microscopically adhesive to collect particles of the trace analyte from a surface when the trace analyte collection area is placed against the surface. In one embodiment, the coating comprises Polyisobutylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.