Coated chewing gum comprising an active substance having local activity
CA 2478620 A1 · Owner: Stahl, Bronislaw-Jan · Inventors: Stahl, Bronislaw-Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coated chewing gum comprising a core of chewing gum and a coating comprising a, coating material and one or more active substances) in solid form. The use of an active, substance in solid form in the coating of a coated chewing gum provides a fast onset of, the effect, a better stability of the active substance and an increased , effect thereof in all chewing phases.
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 March 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 3, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 3, 2021.
- 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.