Nanoparticles for the administration of active ingredients, method of producing said particles and composition containing same
CA 2492995 A1 · Owner: Cuna Vilan, Margarita Maria · Inventors: Vila Jato, Jose Luis; Alonso Sande, Maria; Remunan Lopez, Carmen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to nanoparticles used for the administration of active ingredients, the method of producing said nanoparticles and compositions containing same. The inventive nanoparticles comprise a chitosan glucomannan, at least one active ingredient and if necessary, an anionic salt, preferably in sodium tripolyphosphate form. Said nanoparticles can be used to administer active ingredients to a human or animal body.
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 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 16, 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.