Superconducting material and a process for preparing the same
CA 1338486 C · Owner: Sibata, Kenichiro · Inventors: Jodai, Tetsuji; Sibata, Kenichiro; Yazu, Shuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Superconducting material of oxide which have a composition represented by the general formula:, {.alpha.1-x(.beta.1-w.gamma.w)x}.delta.y.epsilon.z particularly, {Ba1-x(Y1-w.gamma.w)x}CuyOz in which ".gamma." represents at least one, element selected from a group consisting of titanium (Ti) zirconium (Zr), hafnium (Hf), silicon (Si) germanium (Ge), tin (Sn), lead (Pb) and manganese (Mn), and "x", "y", "w" and "z" represent numbers which are selected in the following ranges: 0.1 x 0.9 0.4 y 1.0, 1 z 5 and, 0.01 w 0.50 and which have crystal structures of perovskite type or quasiperovskite type.
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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 July 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2013.
- 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
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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.