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Expired Canadian patentCanada

Dielectric compositions stabilized against water treeing with organo silane compounds

CA 1096159 A · Owner: Union Carbide Corporation · Inventors: Turbett, Robert J.; Ashcraft, Arnold C.; Burke, Timothy R.

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Abstract From the Canadian patent

11,975, DIELECTRIC COMPOSITIONS STABILIZED AGAINST WATER TREEING WITH ORGANO, SILANE COMPOUNDS ABSTRACT OF THE DISCLOSURE, Dielectric compositions comprising ethylene polymers which are susceptible to electrical breakdown by water treeing are protected against such breakdown by the incorporation therein of organo silanes. S P E C I F I C A T I O N

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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 February 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 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.
FiledDecember 21, 1978
GrantedFebruary 24, 1981
Term endedFebruary 24, 1998
Patent numberCA 1096159 A
Classification (IPC)H01B3/30 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedDec 21, 1978Patent grantedFeb 24, 1981Term endedFeb 24, 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.