Tablet and tablet production method
CA 2362293 A1 · Owner: Hiruta, Satoru · Inventors: Morimoto, Kiyoshi; Iwase, Yuji; Watanabe, Yasushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tablets obtained by binding a powdery mixture (5a 5) containing at least the , principal agent (2) a highly wettable saccharide (3) and a disintegrating agent (4) by using a binder (6, 6c) containing a highly wettable saccharide to give granules (1a, 1b, 1c), and then compression-molding these granules (1a 1b, 1c). A process for producing tablets which comprises the step of mixing a powdery mixture (5a, 5), which has been prepared by homogeneously mixing at least the principal agent (2), highly wettable saccharide grains (3) and disintegrating agent grains (4), with air to give a fluidized bed; the step of producing granules (1a, 1b, 1c) containing the principal agent by spraying an …
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 February 16, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 16, 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.