Method of production of ceramic powders and powders thus obtained
CA 1289976 C · Owner: Cerex · Inventors: Bienvenu, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method for production in a powdered state of ceramic compounds formed between a metalloid and a refractory metal involves the following steps : a) the metalloid is reacted with a reducing metal within a liquid bath consisting at least partly of a fused salt of the reducing metal in order to obtain a saltlike intermediate compound which combines the reducing metal and the metalloid in, solution in the bath ;, b) a reducible salt of the refractory metal is then injected in the bath in a divided state which is directly distributed throughout the bath in order to produce the powder by reaction of the reducible salt with the intermediate compound of the 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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
- 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
Timeline From CIPO dates
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.