Denture cleaning tablet
CA 1329554 C · Owner: Reuss, Mira · Inventors: Reuss, Mira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cleaning tablet is disclosed for the automatic cleaning of dentures in an aqueous solution. The tablet has a content of sodium hydrogen carbonate and/or sodium carbonate or carbonates, citric acid or citrate or citrates, sodium perborate, potassium monopersulphate surfactants and foam forming agents, binders lubricants, and disintegrants, antimicrobial agents carriers, flavouring/aromatizing substances as well as at least one, perborate/peroxide activator and at least one phosphorus compound. The activator content is between 0.5 and 3.0% by weight of the total composition of the cleaning tablet and, the phosphorus compound includes at least one hydrolysisstable organic phosphoric acid …
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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
- 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.