Particle coating method
US12357574B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Feb 19, 2021 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Feb 26, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/54
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of producing a particle coating on one or more items is provided. The method comprises mixing supercritical carbon dioxide with a solution comprising dissolved material for forming particles. The method further comprises spraying the mixture into a precipitation chamber (316) to precipitate particles, wherein the chamber is at a pressure below a supercritical pressure of the supercritical fluid. The method also comprises capturing the precipitated particles on one or more items located within the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.