Powder coating process with tribostatically charged fluidised bed
CA 2449847 A1 · Owner: International Coatings Limited · Inventors: Kittle, Kevin Jeffrey; Falcone, Michele
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for forming a coating on a conductive substrate including the steps , of: establishing a fluidised-bed of a powder coating composition thereby , effecting tribostatic charging of the powder coating composition the , fluidised-bed including a fluidising chamber at least a part of which is conductive, applying a voltage to the conductive part of the fluidising chamber, immersing the substrate wholly or partly in the fluidised bed whereby charged particles of the powder coating composition adhere to the substrate, the substrate being either electrically isolated or earthed withdrawing the substrate from the fluidised-bed and forming the adherent particles into a continuous …
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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 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.