Oral solid solution formulation of a poorly water-soluble active substance
CA 2472744 A1 · Owner: Gorissen, Henricus R.M. · Inventors: Gorissen, Henricus R.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an immediate release formulation with enhanced bio-availability comprising a solid homogeneous and thermostable solution of a poorly water-soluble biologically active substance characterised in that said solid solution comprises: a) the active substance in an amount of between 10 and 50% of the total weight of the formulation b) , a non-ionic hydrophilic surfactant ingredient which is in the liquid form , between 15~ and 30~C in an amount of between 20% and 70 % of the total weight of the formulation and c) a pharmaceutically acceptable organic polymer or mixture of polymers, which polymer or mixture of polymers is in a liquid form above 60~C and in a …
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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 February 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 2025.
- 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.