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Expired Canadian patentCanada

One-component diorganopolysiloxane composition stabilized by a diorganopolysiloxane containing an isocyanate group

CA 1285344 C · Owner: Peccoux, Pierre-Michel · Inventors: Peccoux, Pierre-Michel; Gay, Michel; Letoffe, Michel

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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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 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 27, 1987
GrantedJune 25, 1991
Term endedJune 25, 2008
Patent numberCA 1285344 C
Classification (IPC)C08L83/04 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 27, 1987Patent grantedJune 25, 1991Term endedJune 25, 2008

Sources & verification

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