Diclofenac sodium oral pharmaceutical
CA 2480417 A1 · Owner: Nippon Zoki Pharmaceutical Co. Ltd. · Inventors: Ishibashi, Nobuyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An oral diclofenac sodium pharmaceutical characterized in that diclofenac sodium, a nonionic surfactant, a cholic acid derivative as an absorption accelerator and a glycerol or glycol are contained which is a rapid-acting , oral pharmaceutical exhibiting excellent body absorption even at the time of nonstarvation. This pharmaceutical can directly be incorporated in hard capsules so as to make the same available as a hard capsule agent. The body absorption thereof in nonstarvation conditions is as highly excellent as those of suppositories.
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 March 27, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 27, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 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.