Ion-selective electrode
CA 1093641 A · Owner: Eastman Kodak Company · Inventors: Chang, Jack C.; Battaglia, Charles J.; Daniel, Daniel S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A dry-operative ion-selective electrode which requires no preconditioning prior to use in an ion-sensing operation comprises:, (a) a dried, reference electrode comprising either a metal/metal salt reference half-cell or multiple-layer redox couple; and, (b) in contact with the reference electrode a, hydrophobic ion-selective membrane comprising a binder having dispersed therein a solution of an ion carrier dissolved in a suitable carrier solvent.
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
- Granted January 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 13, 1998.
- 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.