This is a plain-language summary of a public patent. It is written for general readers and is not a substitute for the granted claims. For the authoritative, legally operative text, see the official record linked below.
01 What it covers
This is the foundational method behind Fluid Tech's isotope-specific treatment line. Rather than treating the whole stream with a single general-purpose resin, the waste water is directed across media chosen to be selective for the isotopes that actually drive the activity, so the bulk of the water is decontaminated efficiently and the radioactivity ends up concentrated on a small volume of media.
02 Why it matters
- Targets the real problem: selective media grab the specific radionuclides that carry the activity, instead of loading up on competing, non-radioactive ions.
- Less secondary waste: concentrating activity onto isotope-specific media leaves a smaller, better-characterized final waste stream.
- Building block: this method underpins the later submersible-filter, media-regeneration, and vitrification inventions in the portfolio.
03 Patent family
This invention was filed in multiple jurisdictions; related filings share the same disclosure.
| Jurisdiction | Number | Date |
|---|---|---|
| United States (granted) | US 8,222,475 B2 | Jul 17, 2012 |
| United States (earlier grant) | US 7,563,939 B2 | Jul 21, 2009 |
| Europe | EP 1971554 | Sep 24, 2008 |
| WIPO (PCT) | WO 2007/070628 | Jun 21, 2007 |
04 Official record
Patents are public documents. For the full specification, drawings, and legally operative claims: