Rapidly dissolving robust dosage form
CA 2284663 C · Owner: Katzner, Leo · Inventors: Chastain, Sara J.; Katzner, Leo; Khankari, Rajendra K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed to a hard tablet that can be stored packaged and , processed in bulk. Yet the tablet dissolves rapidly in the mouth of the patient with a minimum of grit. The tablet is created from an active ingredient mixed into a matrix of a non-direct compression filler and a relatively high lubricant content.
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 April 13, 1998 and granted June 17, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 13, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 13, 2020.
- 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.