Process for the production of rapidly disintegrating sheet-like presentations
CA 2044043 C · Owner: Horstmann, Michael · Inventors: Horstmann, Michael; Laux, Wolfgang; Hungerbach, Stefan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A presentation which, in the form of a film permits, the individual dosage of drugs confectionary, other, food, cosmetics and the like for oral application or intake. The presentation is characterized by the fact that it comprises a mass of 20 to 60%-wt. of at least a film former, 2 to 40X-wt. of at least a gel former 0.1 to 35%-wt. of at least an active substance and up, to 40%-wt. of an inert filling agent being applied on, a carrier, or by consisting of a mass having the aforementioned composition but is unsupported. In the production thereof, an intimate mixture of said components is prepared, optionally with the addition of up to 30%-wt. of a polar solvent, and processed to form a …
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 June 6, 1991 and granted April 28, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2013.
- 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.