Acrylate-functional blocked polyisocyanate resin for uv/thermally curable coatings
CA 2486034 C · Owner: Jeffries, Michael K. · Inventors: Dvorchak, Michael J.; Weikard, Jan; Roesler, Richard R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Solvent-based, dual cure coatings incorporating thermally curable blocked polyisocyanates which also contain unsaturated linkages and a method for preparing these coatings. The unsaturated linkages such as acrylate groups, can be crosslinked by free-radical mechanisms such as UV curing.
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 October 22, 2004 and granted May 15, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 22, 2024.
- 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.
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.