Use of a packaged detergent composition
CA 2477292 C · Owner: Wiedemann, Ralf · Inventors: Wiedemann, Ralf; Kaiser, Roger; Guzmann, Marcus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Packaged detergent composition comprising a container that at least partly disintegrates in an aqueous environment the detergent composition comprising , at least one liquid and at least one solid substantially insoluble in the liquid and preferably having a size sufficient to be retained by a 2.5 mm mesh wherein the at least one solid has a density lower than the density of the liquid.
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 December 19, 2002 and granted October 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 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.