Polymer membrane for proton driven ion transport
CA 1281246 C · Owner: Fyles, Thomas · Inventors: Fyles, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A functional membrane is provided for proton-driven ion transport. Such membrane consists essentially of a blend of (a) an active polymer having cation-binding sites the cation binding, sites being provided by a member selected from the group consisting of a crown ether, a cryptand and an acyclic complexone with an ionizable acidic site which is provided by a member selected from the group consisting of a carboxylic acid a sulfonic acid, and a phenol, the active polymer being incorporated into a polymer backbone via a spacer component; and (b) a support polymer selected from the group consisting of polyaramides polysulfones, and polypiperazine-fumaramides. This thereby provides a …
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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
- Granted March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
- 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.