Oral delivery of peptide
CA 2420032 A1 · Owner: Cha, Min-Jong · Inventors: Kim, Hack-Joo; An, Heung-Man; Cha, Min-Jong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Proliposome of a peptidyl drug and enteric preparations containing said proliposome are disclosed by the present invention wherein said proliposome , is prepared by dissolving the peptidyl drug and phospolipid in an organic solvent and coating the resulting solution with water-soluble chitosan. The oral delivery system of peptide using the proliposome and the enteric preparation according to the present invention remarkably increases stability and bioavailability of a peptidyl drug.
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 August 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 11, 2022.
- 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.