Method for preparing a magnesia carbon brick
CA 1100661 A · Owner: Korosaki Yogyo Co. Ltd. · Inventors: Yomota, Junji; Kurashina, Fumiaki; Takita, Ichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A magnesia carbon brick comprising a mixture of magnesia clinker and carbon, novolak phenol resin and a hardening agent. A method for preparing the magnesia carbon brick comprising the steps of mixing magnesia clinker and carbon together adding novo-, lak phenol resin and a hardening agent to said mixture of magnesia clinker and carbon and mixing, moulding and drying the resultant mixture.
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 May 5, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 1998.
- 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.