Cleansing wipes having a covalently bound oleophilic coating, their use and processes for their manufacture
CA 2564650 C · Owner: Reckitt Benckiser (Uk) Limited · Inventors: Pugh, Simon; Mckechnie, Malcolm Tom; Goodwin, Andrew James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is provided for forming an active material containing coating on a substrate. The substrate is suitably a wipe cloth or sponge for household , use, or a water-soluble household cleaning unit dose product. The method comprises the steps of: - introducing one or more gaseous or atomised liquid and/or solid coating-forming materials which undergo chemical bond forming reactions within a plasma environment and one or more active materials which substantially do not undergo chemical bond forming reactions within a plasma environment , into an atmospheric or low pressure plasma discharge and/or an excited gas stream resulting therefrom and ii) exposing the substrate to the …
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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 May 13, 2005 and granted September 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 13, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.