Oral care substance delivery strip
CA 2457086 A1 · Owner: Jackson, Graham · Inventors: Wood, Timothy; Macleod, Andrew; Jones, Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for delivering an oral healthcare substance to the teeth gingival , and/or mucosal tissues comprising a strip of an orally acceptable flexible material with an oral healthcare substance deposited it or impregnated into its bulk, capable of adhesion to a tooth surface but with the adhesion function being provided independent of the oral healthcare substance. A preferred device comprises a strip of a plastically deformable material to , which is attached a layer of an absorbent material with a peroxide-containing , tooth whitening gel on the layer of absorbent material.
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 August 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 15, 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.