Adhesive agent composition, and permeable adhesive tape, adhesive drug composition and adhesive tape preparation containing the adhesive agent composition
CA 2338987 A1 · Owner: Kitazono, Eiichi · Inventors: Minematsu, Hiroyoshi; Kawaguchi, Takeyuki; Miyoshi, Takanori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressure-sensitive adhesive composition which comprises 50 to 90 wt.% acrylic pressure-sensitive adhesive, 2.5 to 50 wt.% liquid ingredient containing a polyhydric alcohol, and 0.01 to 10 wt.% salt of a mono- to trivalent metal with a fatty acid having a C8-18 hydrocarbon group and has satisfactory tackiness, cohesive force and moisture permeability; a pressuresensitive adhesive drug composition which comprises the pressure-sensitive adhesive composition and a drug (a medicine etc.) added thereto and has these , performances; a pressure-sensitive adhesive tape which is obtained by applying the pressure-sensitive adhesive composition to a substrate and has excellent moisture …
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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 July 27, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 27, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 27, 2021.
- 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.