Material based on organic and/or inorganic fibres having germicidal properties and uses thereof
CA 2456027 A1 · Owner: Ahlstrom Corporation · Inventors: Dussaud, Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a permeable material containing a fibrous composition consisting of organic and/or inorganic fibres characterised in that it further contains between 0.1 and 10 g/m2, advantageously 1 g/m2 of activated carbon fibres whereon is adsorbed a germicidal agent.
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 June 20, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 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.