Method of making shaped ceramic composites
CA 1307385 C · Owner: Lanxide Technology Company, Lp · Inventors: Kennedy, Christopher R.; Newkirk, Marc S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Christopher Robin KENNEDY, -and- Marc Stevens NEWKIRK, ABSTRACT, The present invention provides a method for producing a self-supporting ceramic composite by the oxidation of a parent metal to form a polycrystalline ceramic material consisting essentially of the oxidation reaction product of the parent metal with an oxidant, including a vapor-phase oxidant, and, optionally, one or more metallic constituents. A permeable filler material such as a preform, with at least, one surface bearing a permeable stratum is contacted with a, body of molten parent metal heated to a temperature above its melting point but below the melting point of the oxidation reaction product. At least a portion of the …
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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 September 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 2009.
- 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.