Method and system for feeding propellant slurry
CA 2120992 A1 · Owner: Rockwell International Corporation · Inventors: Gay, Richard Leslie; Guon, Jerold; Newcomb, John Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system are provided for feeding a slurry of energetic wastes, such as propellants or explosives, dissolved in a volatile solvent such as acetone for introduction into a molten salt for destruction of such waste, without vaporization of the solvent in the feeding device or injector, and without deposition of explosive residue on the inside surface of such injector. This is achieved by introducing carbon dioxide liquid into the slurry feeding device or injector, and into heat exchange relation with the feed slurry to cool the slurry and prevent vaporization of the volatile solvent, and to thereby prevent deposition of explosive solid residue in the feed injector. The injector is …
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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
- Filed April 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2016.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.