Polymers which are dispersible in aqueous solvents and photocurable elements comprising same
CA 2283673 A1 · Owner: Polyfibron Technologies, Inc. · Inventors: Reimers, Jay L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ionomeric polymers are provided which are dispersible in aqueous solvents yet which crosslink with ethylenically unsaturated monomers to form matrices having relatively low solubility in such solvents. The polymers can be incorporated into photocurable composition for use for example, in , photocurable printing elements.
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 March 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 17, 2020.
- 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.