Cleaning system including a powdered cleaning composition disposed in a water soluble container
CA 2467198 A1 · Owner: Colgate-Palmolive Company · Inventors: Zabarylo, Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A water soluble container having disposed therein a powdered cleaning composition containing at least one nonionic surfactant a perfume and an , anionic surfactant, a multivalent salt an alpha hydroxy aliphatic acid, an , alkali metal bicarbonate and a bleach compound, wherein the composition does not contain more than 7% by weight of water.
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 November 14, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 14, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 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.