Thixotropic formulations for filling capsules
CA 2337273 A1 · Owner: Pierre Fabre Medicament · Inventors: Seiller, Monique; Grossiord, Jean-Louis; Leverd, Elie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns liquid or pasty thixotropic compositions containing an active substance for filling capsules at room temperature. The compositions become fluid by the effect of shearing when they pass through the filling nozzle then recover their consistency with sufficient intensity and rapidity to prevent after filling, any leak between the two capsule parts. Said compositions are characterised in that their rheological properties are specially adapted for filling and for optimal thixotropic recovery of consistency. They are preferably in the form of dispersions supporting amphiphilic excipients. Said compositions enable the formulation of active liquid pasty and even solid …
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 July 5, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 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.