Toothpaste stabilized by dicalcium phosphate
CA 1074235 A · Owner: Unilever Limited · Inventors: Pader, Morton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A toothpaste composition offering an improved luster to tooth enamel, comprising a mixture of alpha alumina trihydrate and precipitated amorphous silica in combination with a minor amount of anhydrous dicalcium phosphate or dicalcium phosphate dihydrate as a stabilizer.
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 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 1997.
- 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.