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Expired Canadian patentCanada

Method of inclusion melting glass with radioactive components, and furnace for carrying out such method

CA 1103930 A · Owner: Sorg. G.M.B.H. & Co. Kg · Inventors: Pieper, Helmut

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Abstract From the Canadian patent

A method of inclusion melting of glass with radioactive components and a furnace for carrying out the method. Radioactive components are fed in the form of an aqueous suspension or of a slurry into a furnace from above in combination with a mixture for the melt forming of glass or the mixture for the melt forming being formed from the radioactive components. The molten mass of glass and radioactive components is heated by passing electrical current directly therethrough, wherein the mass flow taxes place solely vertically from top to bottom.

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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 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 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.
FiledJuly 11, 1977
GrantedJune 30, 1981
Term endedJune 30, 1998
Patent numberCA 1103930 A
Classification (IPC)C03B5/02 +2 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedJuly 11, 1977Patent grantedJune 30, 1981Term endedJune 30, 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.