Patent · US Active

Rare earth spatial/spectral microparticle barcodes for labeling of objects and tissues

US9528144B2 · kind B2 · utility

0Cited by
8References
30Claims
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Key dates

Filing dateMar 14, 2014
Grant dateDec 27, 2016
Priority date
Expiry dateMar 14, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/143333
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Polymer microparticles spatially and spectrally encoded using upconversion nanocrystals (UCN) are described for labeling of articles and tissues. UCN having spectrally distinguishable emission spectra are disposed in different portions of an encoding region of each microparticle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.