Solid oral anticariogenic composition
CA 1269331 C · Owner: Lutzen, Claude Erik · Inventors: Lutzen, Claude Erik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A solid, oral, anticariogenic composition in the form of a chewing gum or a lozenge and beyond the conventional chewing gum or lozenge ingredients containing as dental plaque acid-neutralizing ingredient urea in an amount from 0.5% by weight to 80% by weight, based on the total weight of the composition, an optional coating not being taken into account. The composition is used for reducing the risks of dental caries subsequently to eating and drinking as it causes a neutralization of the plaque acids.
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 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- 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.