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Expired Canadian patentCanada

Flame-retardant resin composition

CA 1286440 C · Owner: Mogami, Kenji · Inventors: Miyashita, Shunitsu; Mogami, Kenji

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A flama-retardant resin composition comprises a thermoplastic polyester, a flame retardant containing an organic halide compound in an amount required for providing flame-retardancy and an alkoxidesilane compound in an amount required for providing thermostability. The flame-retardant resin composition has a high strength and is excellent in the thermal stability.

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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 July 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 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.
FiledDecember 23, 1986
GrantedJuly 16, 1991
Term endedJuly 16, 2008
Patent numberCA 1286440 C
Classification (IPC)C08K5/00 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 23, 1986Patent grantedJuly 16, 1991Term endedJuly 16, 2008

Sources & verification

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