Rare earth spatial/spectral microparticle barcodes for labeling of objects and tissues
US10533133B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Dec 22, 2016 |
| Grant date | Jan 14, 2020 |
| Priority date | — |
| Expiry date | Dec 22, 2036 |
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.