Method of manufacturing superconductive conductor
CA 1332509 C · Owner: Ohkura, Kengo · Inventors: Hayashi, Kazuhiko; Ohkura, Kengo; Sawada, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacturing a superconductive conductor containing a superconductive ceramic material being in composition generally expressed by the composition AaBbCc. A material generally expressed by AaBb is melted and a melt is continuously drawn from a hole provided in a frame. The AaBb melt drawn out from the hole is solidified and the solidified body is heated in an atmosphere containing C. A represents an element selected from groups Ia IIa and IIIb, of the periodic table, B represents at least copper C, represents at least oxygen and a, b and c represent numbers showing composition ratios of A, B and C respectively.
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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 October 18, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 18, 2011.
- 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.