Composition for cleaning carpets, curtains and covering fabrics and/or for facilitating the removal of stains
CA 2393947 A1 · Owner: Embleton, Garry · Inventors: Gabriel, Gladys Saliba; Embleton, Garry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aqueous composition comprising at least one sulfonated copolyester preferably , a terephthalic copolyester for cleaning carpets, including fitted carpets curtains and covering fabrics at least partially made of hydrophobic synthetic polymer, in particular of polyester or polyamide very particularly of , polyamide, and/or for facilitating the removal of stains and dirt (soil release) therefrom.
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 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 28, 2022.
- 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.