Fabrication of superconducting metal-oxide textiles
CA 2071923 A1 · Owner: Praxair Technology, Inc. · Inventors: Van Den Sype, Jaak S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for producing superconducting metal-oxide textiles comprising impregnating a preformed, organic textile material with metal compounds in a desired atomic ratio, beating the material in a weakly oxidizing atmosphere to pyrolize and oxidize the organic material maintaining the material at temperature in an oxidizing atmosphere, and cooling the material in an oxidizing atmosphere, so as to form a crystalline structure capable of superconducting.
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
- Filed August 27, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 27, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 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
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.