Method of anti-corrosive protection of silicon carbide products
CA 1188078 A · Owner: Biuro Projektow Przemyslu Metali Niezelaznych "Bipromet" · Inventors: Morys, Zygmunt; Biolik, Felicjan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure describes a method for the protection of a silicon carbide product against corrosion at elevated temperatures, the corrosion resulting from the utilization of a silicon carbide product in an oxidizing atmosphere. The surface of the product is in contact with oxidizing atmosphere of a heating chamber which atmosphere, has free access to the surface and the interior of the product. According to this method, free access to the surface and the interior of the product is made possible by increasing the porosity of the product by at least 10% or by providing channels in the product. The total volume of the channels is at least 10% of the volume of the product and the channels are …
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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 June 4, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2002.
- 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.