Powder compositions with semicrystalline polyester and acrylic copolymer base containing ethylenically unsaturate groups
CA 2268873 A1 · Owner: Moens, Luc · Inventors: Moens, Luc; Maetens, Daniel; Loutz, Jean-Marie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns powder compositions hardenable by radiation usable as paint or varnish comprising a mixture of at least a semicrystalline polyester containing terminal methacryloyl groups and of at least an acrylic copolymer containing ethylenically unsaturate groups these polyesters comprising the , reaction products of a glycidyl methacrylate and of a semicrystalline polyester containing terminal carboxyl groups.
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 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 24, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 24, 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.
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.