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Expired Canadian patentCanada

Method for producing wood fibre pellets

CA 2613152 C · Owner: Fernyhough, Alan · Inventors: Anderson, Charles Ross; Lee, Brendan James; Warnes, Jeremy Martin

CIPO record

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

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Abstract From the Canadian patent

A process for producing pellets or granules comprising fibres of a lignocellulousic material, for use as a feedstock in plastics manufacture conveying in a dry or wet air stream and applying to the fibres a liquid formulation comprising one or more polymers monomers, or oligomers, forming , the fibres into a solid product and breaking down the solid product to produce said pellets or granules. Typically the conduit conveys the fibres in a plant for manufacture of fibre board.

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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

  • Filed June 23, 2005 and granted September 5, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 23, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 23, 2005
GrantedSeptember 5, 2017
Term endedJune 23, 2025
Patent numberCA 2613152 C
Classification (IPC)B27N1/02 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJune 23, 2005Patent grantedSep 5, 2017Term endedJune 23, 2025

Sources & verification

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