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EP0040738A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Dentifrices

Assignee: Richardson Vicks Inc
•
Filing: 1981-05-08
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Granted: —
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Expires: 2001-05-08
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Abstract

Abstract Dentifrice preparations having improved soluble fluoride availability are obtained by incorporation of ethylenediamine tetraacetic acid and sodium salts thereof.

Inventors

  • 👤 Dadi J. Dhabhar
  • 👤 Nutan B. Shah

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-27 10:08
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/19; A61K8/20; A61K8/21; A61Q; A61Q11/00

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 44 words
A dentifrice comprising from about 0.1 to about 5% by weight of a water-soluble fluoride, from about 5 to about 60% by weight of a calcium abrasive and from about 0.01 to about 5% by weight of ethylenediamine tetraacetic acid or sodium salt thereof.
Claim 2
Dependent Claim 44 words
A dentifrice comprising from about 0.1 to about 5% by weight of a water-soluble fluoride, from about 5 to about 60% by weight of a calcium abrasive and from about 0.01 to about 5% by weight of ethylenediamine tetraacetic acid or sodium salt thereof.
Claim 3
Dependent Claim 26 words
The dentifrice of claim 1 wherein the water soluble fluoride is a monofluorophosphate salt and the abrasive is selected from calcium carbonate or a calcium phosphate.
Claim 4
Dependent Claim 31 words
The dentifrice of claim 2 wherein the water-soluble fluoride is sodium monofluorophosphate, the abrasive is calcium carbonate and the ethylenediamine tetraacetic acid salt is the tetrasodium salt of ethylenediamine tetraacetic acid.
Claim 5
Dependent Claim 42 words
The dentifrice of claim 3 comprising from about 0.05 to about 1% by weight tetrasodium salt of ethylenediamine tetraacetic acid, from about 20 to about 50% by weight calcium carbonate and from about 0.5 to about 1% by weight ' sodium monofluorophosphate.
Claim 6
Dependent Claim 41 words
The dentifrice of claim 4 comprising from about 0.1 to about 0.5% by weight tetrasodium salt of ethylenediamine tetraacetic acid, from about 25 to about 45% by weight calcium carbonate and from about 0.75 to about 0.85% by weight sodium monofluorophosphate.
Claim 7
Dependent Claim 12 words
The dentifrice of claim 4 comprising a dental cream having the formula:
Claim 8
Dependent Claim 12 words
The dentifrice of claim 4 comprising a dental cream having the formula:
Claim 9
Dependent Claim 12 words
The dentifrice of claim 4 comprising a dental cream having the formula:

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