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Expired Canadian patentCanada

Sintering nuclear fuel pellets

CA 1093293 A · Owner: Alkem G.M.B.H. · Inventors: Funke, Peter

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Abstract From the Canadian patent

Sintering nuclear fuel pellets of nuclear fuel oxides having oxygen in stoichiometric excess of the dioxides by passing the nuclear fuel pellets through a reduction furnace having a reducing atmosphere under regulated exposure time or residence time to produce reduced nuclear fuel oxides of desired oxygen content, The reduced pellets are cooled and sent to an intermediate station for checking or holding. The cooled pellets from the intermediate station are sent through a sintering furnace with means for independently regulating the exposure time or residence time in the sintering furnace. Additional features are the independent control of the atmospheres and temperature as well as the …

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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 January 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 13, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 18, 1977
GrantedJanuary 13, 1981
Term endedJanuary 13, 1998
Patent numberCA 1093293 A
Classification (IPC)G21K1/00 +2 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedMarch 18, 1977Patent grantedJan 13, 1981Term endedJan 13, 1998

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.