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Expired Canadian patentCanada

Thermally conductive room temperature vulcanizable compositions

CA 1267482 C · Owner: Streusand, Marie J. · Inventors: Pate, Michelle; Streusand, Marie J.; Getson, John C.

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Abstract From the Canadian patent

DOCKET No. A-8317/18, Paper No. THERMALLY CONDUCTIVE ROOM TEMPERATURE VULCANIZABLE COMPOSITIONS, Abstract of the Disclosure This invention relates to thermally conductive room temperature vulcanizable organopolysiloxane compositions which are prepared by mixing hydroxyl-containing organopolysiloxanes with a crosslinking agent capable of reacting with the hydroxylcontaining organopolysiloxanes and from 30 to 95 percent by weight of filler based on the weight of the composition of, which at least 10 percent by weight of the filler is silicon nitride particles.

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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 April 3, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2007.
  • 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 4, 1985
GrantedApril 3, 1990
Term endedApril 3, 2007
Patent numberCA 1267482 C
Classification (IPC)C08L83/04 +1 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedJuly 4, 1985Patent grantedApril 3, 1990Term endedApril 3, 2007

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