Compressed-molded preparations
CA 1331342 C · Owner: Okuyama, Hirohisa · Inventors: Okada, Minoru; Okuyama, Hirohisa; Iwasa, Akira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compressed-molded preparations are disclosed. In the preparation coated granules of a pharmaceutical composition are compressed and molded together with non-coated component(s) containing 10% or more by weight of nonswelling polymers. According to the preparation there is little breakdown of the coating of coated granules at the time of compressing and molding, and the rate of disintegration, and in turn, the release rate of the pharmaceutical component, can be freely controlled or modulated.
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
- Granted August 9, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 9, 2011.
- 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.