Cleaning composition and method for using the same
CA 2320029 A1 · Owner: Unilever Plc · Inventors: Murphy, Dennis Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel cleaning composition for dry cleaning applications is described. The cleaning composition utilizes a stain removal composition having a stain removal, surfactant and a stain removal solvent and the dry cleaning applications use a solvent, which is a gas at standard temperature and pressure a biodegradable , functionalized, hydrocarbon or a silicone comprising solvent.
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 September 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 21, 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.