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Expired Canadian patentCanada

Production of silane modified copolymers of alkylene- alkyl acrylates, polysiloxanes having combined therein organo titanates and the use thereof in the production of silane modified copolymers of alkylene- alkyl acrylates

CA 1186437 A · Owner: Union Carbide Corporation · Inventors: Keogh, Michael J.

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Abstract From the Canadian patent

This application relates to the production of silane modified copolymers of alkylene-alkyl acrylates by the reaction of a polysiloxane, and an alkylene-alkyl acrylate copolymer which can be extruded about, electrical conductors and water-cured if so desired, to crosslinked, products providing insulation about electrical conductors which is characterized by improved surface characteristics. More particularly this invention relates to polysiloxanes having combined therein an organo titanate and the use thereof in the production of silane modified copolymers of alkylene-alkyl acrylates. -1-

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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 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 25, 1981
GrantedApril 30, 1985
Term endedApril 30, 2002
Patent numberCA 1186437 A
Classification (IPC)C08G77/22

Timeline

Timeline From CIPO dates

1982198519881991199419972000Application filedSep 25, 1981Patent grantedApril 30, 1985Term endedApril 30, 2002

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