Fluoride drying method
US8163039B2 · kind B2 · utility
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6Claims
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Assignee
Inventor
Key dates
| Filing date | Jul 25, 2007 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Apr 24, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21F9/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to methods and apparatus for drying [18F]fluoride which comprises (i) passing a [18F]fluoride solution comprising water, a solvent, [18F]fluoride, and a cationic counterion through a narrow bore vessel at elevated temperature such that the water and solvent are vaporized forming a vaporized component, and (ii) collecting the resulting vaporized component by condensing into a collection vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.