Glass composition

Details Glass composition Glass composition

2007-02-13

2007-02-13

Krass, Frederick (Department: 1614)

Drug, bio-affecting and body treating compositions

Dentifrices

Phosphate compound containing

C424S052000, C424S401000, C424S435000, C424S606000, C106S035000, C433S215000, C433S217100, C433S226000, C433S228100, C501S024000, C501S025000, C501S057000, C501S058000, C501S063000, C501S072000

Reexamination Certificate

active

10069143

ABSTRACT:
A glass composition having the general empirical formula given below, expressed in weight percent of the element: P: 16–24, F: 5–30, O: 20–40 and at least one of Na, K, Li or Al in an amount up to a total of 40 wt. % and optionally, up to 5 wt. % of boron and/or silicon. The composition may be used for the treatment and/or prevention of dental caries by providing a slow fluoride releasing device that may be attached to a tooth to release fluoride into the saliva or an individual.

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