Expired Canadian patentCanada
Sustained release fluoride and calcium composition
CA 1294550 C · Owner: Colgate-Palmolive · Inventors: Grodberg, Marcus G.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A slow release tablet or the like for releasing fluoride and calcium ions in a manner so as to reduce the formation of calcium fluoride and to reduce gastrointestinal discomfort comprising the use of MFP together with a calcium-containing composition.
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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 January 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 21, 1987
GrantedJanuary 21, 1992
Term endedJanuary 21, 2009
Patent numberCA 1294550 C
Classification (IPC)A61K33/42 +2 more
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.