Method for preparing a sinterable uranium dioxide powder
CA 1197069 A · Owner: The Babcock & Wilcox Company · Inventors: Thornton, Thomas A.; Holaday, Veldon D. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention discloses an improved method for preparing a sinterable uranium dioxide powder for use and preparation of nuclear fuel wherein microwaves heat a starting material comprising a compound selected from uranyl nitrate hexahydrate, ammonium diuranate and ammonium uranyl carbonate for a sufficient period to decompose the starting compound; continuing to heat the decomposed compound in a microwave induction furnace in reducing atmosphere until the decomposed compound further decomposes to uranium dioxide powder. The powder is then cooled in a reducing atmosphere. The method may be practiced in a number of different atmospheres, such as an oxidizing atmosphere or a reducing …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2002.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.