Solid preparations
CA 2423329 A1 · Owner: Nakano, Yoshinori · Inventors: Nakano, Yoshinori; Ochi, Masashi; Yoneyama, Shuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is intended to provide granules containing a large amount of a physiologically active substance which is hardly soluble in water and highly water-repellent, and solid preparations containing these granules which are excellent in the disintegration properties and the elution of the physiologically active substance. Namely (1) granules containing a , physiologically active substance and a cellulose-based disintegrating agent; (2) granules containing a physiologically active substance a cellulose-based , disintegrating agent and a binder; (3) solid preparations comprising granules (1) or (2) as described above, a cellulose-based disintegrating agent and a stearic acid-based …
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 September 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 21, 2023.
- 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.