Detergent compositions
CA 2372186 A1 · Owner: Loomans, Paulus Jacobus · Inventors: Loomans, Paulus Jacobus; Boskamp, Jelles Vincent
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a detergent tablet of compacted particulate composition containing:(a) particles which contain organic surfactant together with detergency builder, and (b) water-insoluble but water-swellable particles of plant material which contain both cellulose and lignin obtainable by , fragmentation of plant material without separation of its fibres into a liquid dispersion. Also provided is a process of making this tablet which comprises mixing water-insoluble, water-swellable disintegration-promoting material as defined above with other particulate ingredients so as to form a particulate detergent composition and compacting a quantity of the particulate composition in …
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 June 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 8, 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.