Composition for the hygiene and health of the periodontal tissue of gums and teeth
CA 1250807 A · Owner: Laboratoires Pharmaceutiques Goupil · Inventors: Goupil, Jean J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition for the hygiene and health of the periodontal tissue of gums and teeth, in the form of paste gel or other suitable form, comprises a mixture of fluorinecontaining salts having a concentration of fluoride ion between 200 mg and 2000 mg per 100 g of composition i.e. between 2000 and 20000 ppm, and a concentration of fluoride ion preferably between 250 and 1000 mg per 100 g of composition, i.e. between 2500 and 10000 ppm, of xylitol at a concentration of 5 to 50% by wt. of the final composition and, preferably between 10 and 25%, in admixture with a suitable excipient.
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
- Granted March 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 7, 2006.
- 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.