Long acting preparation of cefalexin for effective treatments of bacterial infection sensitive to cefalexin
CA 1085296 A · Owner: Shionogi & Co. Ltd. · Inventors: Kato, Hiroshi; Takagishi, Yasushi; Maekawa, Hideyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cefalexin preparation coated with a coating layer the solubility of which layer is pH-dependent and dissolves at upper intestine is preferably administered concurrently with a normal (plain quick-releasing) cefalexin preparation. The coated preparation is preferably coated, in the particle form and when administered orally, exists in the particle form at stomach. Preferably the, coating layer is made from coating base material having dissolution pH of from 5.5 to 6.5, and the ratio in potency of the coated cefalexin to the normal cefalexin is between 15 : 85 and 60 : 40. The coated cefalexin and the normal cefalexin can be composed to a pharmaceutical preparation preferably in a …
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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 September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
- 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.