Pharmaceutical excipients comprising inorganic particles in association with an organic polymeric material and forming a solid reticulated matrix, compositions, manufacturing and use thereof
CA 2500923 A1 · Owner: Clinch, Cheryl · Inventors: Hearn, Matthew Paul; Tobyn, Michael; Hall, Simon Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pharmaceutical excipient comprising a solid reticulated matrix, wherein the , matrix comprises an aggregation of inorganic particles in association with an organic polymeric material, defines a plurality of pores with a mean width in the range of about 0.01-500 m, and has a specific surface area of at least about 1 m2/g is described, as are products comprising such excipients methods , of making them and use thereof.
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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 October 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 10, 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.