Radiation curable powder coating compositions and their use
CA 2414801 A1 · Owner: Wenning, Andreas · Inventors: Franzmann, Giselher; Wenning, Andreas; Spyrou, Emmanouil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a radiation curable powder coating composition comprising at least one urethane acrylate having a glass transition temperature of at least 35°C and a melting point of from 50 to 120°C. The resulting coatings are stable to light and weather, have a combination of hardness and flexibility, and have excellent adhesion properties.
Read the whole patent
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 December 20, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 20, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 20, 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.