Patent · US Active

Trace analyte collection swab

US11506576B2 · kind B2 · utility

0Cited by
13References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 2019
Grant dateNov 22, 2022
Priority date
Expiry dateAug 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.