Radiation-curable compositions and cured articles
CA 2415707 A1 · Owner: Suncolor Corporation · Inventors: Koleske, Joseph V.; Smetana, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radiation-curable composition in a liquid or solid form comprises at least one solid, non-crystalline radiation-transmissible material dispersed in at , least one cationic-curable or free-radical curable composition or mixture thereof. The solid, non-crystalline radiation-transmissible materials comprise glasses and other suitable materials that transmit (i.e are transparent to) , at least about 40% of radiation having a wavelength from about 180 to about 600 nanometers. The cationic-curable compositions comprise at least one cycloaliphatic epoxide, at least one polyol and at least one cation-, generating photoinitiator. The free-radical curable compositions comprise at least one …
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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 July 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2023.
- 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.