Filter material with improved infusion characteristics
CA 2365018 A1 · Owner: Salow, Hartmut · Inventors: Meger, Danny; Salow, Hartmut; Dannhauser, Horst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter material is described, in particular for preparing filter pouches and filter bags for infusion beverages which due to its content of superabsorber fibers which absorb large amounts of liquid allows an optimal leaching of the filling material to be infused even without movement in the leaching liquid, as well as a process for preparing such a filter material.
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 December 12, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 12, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 12, 2023.
- 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.