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Canadian application, no grantCanada

Fluoropolymer composition with organo-onium and blocked oxalate compounds

CA 2384809 A1 · Owner: Jing, Naiyong · Inventors: Kolb, Robert E.; Kolb, Brant U.; Jing, Naiyong

CIPO record

Overview

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

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Abstract From the Canadian patent

In one aspect, the invention provides curable fluoropolymer compositions comprising fluoropolymer, onium, and alkyl or aryl oxalate-blocked compound as a crosslinking agent. In other aspects the invention provides methods of , making curable fluoropolymer compositions and provides alkyl or aryl oxalateblocked compounds.

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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 February 1, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 1, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 1, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 1, 2000
GrantedNo grant recorded
Term endedFebruary 1, 2020
Patent numberCA 2384809 A1
Classification (IPC)C08K5/00 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedFeb 1, 2000Term endedFeb 1, 2020

Sources & verification

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