Substrates utilizing shear responsive micropockets for storage and delivery of substances
CA 2448333 A1 · Owner: Holden, Marcia J. · Inventors: Alwattari, Ali Abdelaziz; Chhabra, Rajeev; Holden, Marcia J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to substrates such as wipe articles for use in combination with substances, such as ingredients and formulations for , delivery to the human body or for use on inanimate surfaces such as those found in households and/or workplace. The substrate (11) utilizes shear responsive micropockets (15) that store substances and controllably release , said substances when shear forces are applied thereto while in contact with , the target surface. Shear responsive micropockets (15) are fine scale threedimensional compartments in the surface of the substrate (11) such that applying shear forces along the surface of said substrate (11) while said substrate (11) is in …
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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
- Filed June 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 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.