Process and composition for oral hygiene
CA 1315693 C · Owner: E. B. Michaels Research Associates, Inc. · Inventors: Michaels, Edwin B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process and composition for enhancing oral hygiene by removing and preventing plaque and calculus which comprises utilizing a mixture of certain amines in an acceptable mouthwash or dentifrice carrier. More particularly, the invention is concerned with a method for employing mixtures of an alkyl Nbetaine and an alkyl, N,N-dimethylamine oxide more, specifically defined hereinbelow in reducing oral microflora, without staining tooth enamel.
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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
- 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.