Expired Canadian patentCanada
Method for defoaming molten slag
CA 1056159 A · Owner: Aikoh Co. · Inventors: Ito, Haruo
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for deforming molten slag by throwing onto the bubbling surface of the slag a moulding consisting of 17 - 72% by weight of organic material 20 - 80% by weight of refractory material and 3 - 15% by weight of a binder to dissipate the formed bubbles.
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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 12, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 12, 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.
Filed—
GrantedJune 12, 1979
Term endedJune 12, 1996
Patent numberCA 1056159 A
Classification (IPC)C22B9/00
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.