Single compartment unit dose fabric treatment product comprising pouched compositions with cationic fabric softener actives
CA 2505535 A1 · Owner: Billiauw, Jan Julien Marie-Louise · Inventors: De Buzzaccarini, Francesco; Gualco, Lorenzo Matteo Pierre; Boutique, Jean-Pol
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates a unit dose fabric treatment product comprising a non-aqueous liquid fabric treatment composition contained in a single compartment water-soluble pouch. The inner space of the pouch contains (A) a cleaning system comprising more than 5% by weight of the fabric treatment composition of at least one surfactant; (B) a fabric softening system comprising at least one fabric softening active selected from the group consisting of (i) cationic ammonium-based fabric softening compounds comprising at least one carbonyl functionality; wherein the molar ratio of anionic surfactant to ammonium-based fabric softener is at least 3:1; (ii) cationic guar gums with a …
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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 December 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2025.
- 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.