Dental thixotropic flucride-phosphate composition
CA 1092512 A · Owner: Pacemaker Corporation · Inventors: Archibald, Roy D.; Weitzman, Stewart
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A fluoride-phosphate dental composition for, topical application to the teeth for the control and prevention of dental caries, which is comprised of active fluoride and phosphate ions in an acid solution with a thixotropic carrier which imparts gel-like properties to the resulting composition. The thixotropic properties of the carrier enable the composition to be handled like a liquid during filling and dispensing by simple agitation of the mixture whereas, when held stationary, the solution sets up very quickly into a gel-like material which enables it to be applied to and retained by a dental applicator tray when inserted in a patient's mouth. The …
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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 December 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 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.