Silicon carbide sintered article and process for its production
CA 1216005 A · Owner: Asahi Glass Company Ltd. · Inventors: Suzuki, Keiichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A silicon carbide sintered article composed essentially of elongated and/or plate-like grains of a SiC-AlN solid solution consisting essentially of from 2 to 20% by weight of A1, from 0.2 to 10% by weight of N from 0.2 to 5% by weight of O, from 0 to 15% by weight of a Group IIIa element, and the rest being substantially Si and C.
Read the whole patent
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 December 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 2003.
- 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.