Dispensing container of stabilized extrudable dentifrice contain

Details Dispensing container of stabilized extrudable dentifrice contain Dispensing container of stabilized extrudable dentifrice contain

1978-02-10

1980-07-08

Tollberg, Stanley H.

Dispensing

Collapsible wall-type container

Plural container and/or compartment

B65D 3522

Patent

active

042113415

ABSTRACT:
A stabilized and extrudable paste or gel dentifrice comprises two dentifrice portions, each of which includes a component which is chemically reactive with the other such component in the other portion, with the portions being maintained separate from each other in a dispensing container from which they are dispensable together through a closable opening therein in response to pressure. One of the reactive compounds may be an alkali metal fluorine-containing salt such as sodium fluoride or sodium monofluorophosphate, used for its effect in hardening tooth enamel, and the other may be a water insoluble calcium salt, such as dicalcium phosphate, tricalcium phosphate or calcium carbonate, used as a polishing agent. To improve storage stability of the dentifrice such dentifrice portions are separated by an extrudable material, such as a polyhydric alcohol-water gel of a gum, e.g., sodium carboxymethyl cellulose. Also within the invention are various methods for the manufacture of the mentioned dentifrices.

REFERENCES:
patent: 2982396 (1961-05-01), Shihadeh
patent: 3002658 (1961-10-01), Sauda
patent: 3335912 (1967-08-01), Reeves
patent: 4098435 (1978-07-01), Weyn

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