Sintered ceramic body and process for production thereof
CA 1161068 A · Owner: Ube Industries, Ltd. · Inventors: Yamamura, Takemi; Okamura, Kiyohito; Hasegawa, Yoshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of the Invention, SINTERED CERAMIC BODY AND PROCESS FOR PRODUCTION THEREOF, Abstract of the Disclosure A process for producing a sintered ceramic body which comprises heating a semi-inorganic block copolymer at a temperature of from 500 to 2300°C in an environment of vacuum or inert gases, reducing gases or hydrocarbon gases, said copolymer comprising polycarbosilane blocks having a main-chain skeleton composed mainly of carbosilane units of the formula ?Si-CH2? and zirconoxane units of the formula ?Zr-0? ; and shaping the heated product and simultaneously with, or after, the shaping of the heated product, sintering the shaped product at a temperature of from 800°C to 2300°C in an …
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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 January 24, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 2001.
- 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.