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Canadian application, no grantCanada

Microwave processing system for polymers

CA 2266616 A1 · Owner: Maroofian, Ira · Inventors: Maroofian, Ira; Dodiuk-Kenig, Hanna; Nazarian, Izak Parviz

CIPO record

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Abstract From the Canadian patent

Polymer processing systems and methods which use microwave energy to achieve extremely rapid, efficient melting and/or softening of polymer materials. After rapid melting and/or softening is achieved the molten polymer may then , be pressurized for transport to an injection mold an extrusion die, or the , like, as desired. Microwave melting occurs so rapidly that significant , reductions in cycle time would be achieved by the present invention. Additionally, the use of microwave energy for melting is economically advantageous, because microwave energy sources are generally less costly and use energy more efficiently than conventional melting systems.

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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 September 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2019.
  • 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 26, 1997
GrantedNo grant recorded
Term endedSeptember 26, 2017
Patent numberCA 2266616 A1
Classification (IPC)B29B13/08 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedSep 26, 1997Term endedSep 26, 2017

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