Exothermic lining for metallurgical purposes
CA 1052099 A · Owner: Tido Chemisch-Technische Produkte · Inventors: Tisza, Julianna
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An exothermic lining material for metallurgical purposes comprises 40-60 % of aluminium dross, 1-12 % of fibrous filler which may be inorganic or a mixture of inorganic and organic materials 3-6 % of binder, such as a phenoplast and up to 1 % of wetting agent. In order to make the lining exothermic it contains 7-25 % aluminium powder and/or aluminium swarf, 3-15 % iron oxide and/or manganese dioxide and not exceeding 6 % cryolite. The lining may be made by a dry process in which flakes or pellets of the composition are pressed to a desired shape or by a wet process in which the aluminium dross is added to an aqueous preparation of the fibrous filler and wetting agent, whereafter the other …
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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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 1996.
- 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.