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Expired Canadian patentCanada

Flame retardant elastomeric compositions and articles using same

CA 1205242 A · Owner: Eaton Corporation · Inventors: Kotian, Vijayraj M.

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Abstract From the Canadian patent

Disclosed is a flame retardant thermoplastic elastomeric composition that in the form of an insulation about an electrical conductor is able to meet or exceed the requirements of UL VW-1 Vertical Flame Test and in the form of a jacket about an electrical cable is able to meet or exceed the requirements of IEEE-383 Cable Tray Flame Test while having a limiting oxygen index of only 24 to 27 percent. The composition has an elastomeric component of the type comprising about 25 to about 75 parts by weight of a crystalline olefin resin and about 75 to about 25 parts by weight of a vulcanized monoolefin copolymer rubber comprising a polymer of ethylene or propylene and one other alpha olefin of …

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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 May 27, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 2003.
  • 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 15, 1983
GrantedMay 27, 1986
Term endedMay 27, 2003
Patent numberCA 1205242 A
Classification (IPC)C08L25/00 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMarch 15, 1983Patent grantedMay 27, 1986Term endedMay 27, 2003

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