Liquid absorbent material used in a pouch for a stoma
CA 2202702 A1 · Owner: Ishigaki, Ryuzo · Inventors: Ishigaki, Ryuzo; Komine, Keiji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid absorbent material used in a pouch for a stoma comprising a laminate sheet having surface layers formed of water soluble or dispersible paper and an intermediate layer formed of a web comprising a mixture of a fibrous cellulosic absorbent resin and a powdery synthetic polymeric absorbent resin, wherein a plurality of linear recesses are arranged at such a pitch that the laminate sheet is easily tearable into each of fine sticks that can be inserted for example, from a urine discharging tube into a stoma pouch for a urinary tract stoma. Liquid excrements flowing out of the stoma into the bag of the pouch can be rapidly solidified into jelly by the liquid absorbent material thereby …
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 April 15, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 15, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 15, 2019.
- 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.