Tracer particle and method of using the same and method of manufacturing the same
US11414658B2 · kind B2 · utility
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4References
21Claims
0Family size
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Key dates
| Filing date | Dec 11, 2019 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Nov 18, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y40/00
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A tracer particle is provided. The tracer particle includes: a core structure; a nucleic acid molecule immobilized on the core structure; and a shell layer covering the core structure and the nucleic acid molecule; wherein the core structure has a first porosity, the shell layer has a second porosity, and the first porosity is greater than the second porosity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.