Patent US4528182A successfully refreshed from Google Patents.
US4528182A
Expired / Lapsed
US
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Stable antiplaque dentifrice with improved foaming
Assignee: Colgate Palmolive Co
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Filing: 1983-07-13
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Granted: 1985-07-09
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Expires: 2003-07-13
Abstract
Abstract A stable antiplaque dentifrice with improved foaming containing an antiplaque quaternary ammonium compound, a betaine surfactant to improve foaming without inactivating the antibacterial and antiplaque activity of the quaternary ammonium compound, a humectant selected from the group consisting of polyethylene glycol, sorbitol and mixtures thereof, and a nonionic gelling agent, preferably hydroxyethylcellulose, in an aqueous vehicle containing a dental abrasive. A fluorine-containing compound such as monofluorophosphate is an optionally preferred ingredient.
Inventors
- 👤 John P. Curtis
- 👤 Richard J. Crawford
- 👤 Kathleen M. Yuhasz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:06
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61K8/39; A61K8/40; A61K8/41; A61K8/416; A61K8/44; A61K8/72; A61K8/73; A61K8/731; A61Q; A61Q11/00; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5422
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
69 words
A stable antiplaque dentifrice with improved foaming, comprising an effective amount within the range of about 0.01-5% of an antiplaque quaternary ammonium compound, at least 1.5% and up to about 2% betaine surfactant, about 20-30% of a humectant selected from the group consisting of polyethylene glycol, sorbitol, and mixtures thereof, and about 0.5-2% of a nonionic gelling agent, in an aqueous vehicle containing about 40-60% of a dental abrasive.
Claim 2
Dependent Claim
69 words
A stable antiplaque dentifrice with improved foaming, comprising an effective amount within the range of about 0.01-5% of an antiplaque quaternary ammonium compound, at least 1.5% and up to about 2% betaine surfactant, about 20-30% of a humectant selected from the group consisting of polyethylene glycol, sorbitol, and mixtures thereof, and about 0.5-2% of a nonionic gelling agent, in an aqueous vehicle containing about 40-60% of a dental abrasive.
Claim 3
Dependent Claim
19 words
The dentifrice of claim 1, wherein the nonionic gelling agent is hydroxyethylcellulose in amounts of about 0.5-2% by weight.
Claim 4
Dependent Claim
20 words
The dentifrice according to claim 2, containing about 20-30% by weight of polyethylene glycol having a molecular weight of 600.
Claim 5
Dependent Claim
13 words
The dentrifice according to claim 2, containing about 20-30% by weight of sorbitol.
Claim 6
Dependent Claim
16 words
The dentifrice according to claim 1, containing about 40-60% by weight of a water-insoluble dental abrasive.
Claim 7
Dependent Claim
13 words
The dentifrice according to claim 3, wherein the dental abrasive is dicalcium phosphate.
Claim 8
Dependent Claim
21 words
The dentifrice according to claim 2, wherein the antiplaque agent is benzethonium chloride in an amount of about 0.01-5% by weight.
Claim 9
Dependent Claim
11 words
The dentifrice of claim 1, wherein the betaine is cocoamidopropyl betaine.
Claim 10
Dependent Claim
14 words
The dentifrice according to claim 1, which is free of nonionic and anionic surfactants.
Claim 11
Dependent Claim
14 words
The dentifrice according to claim 1, which is free of glycerin and propylene glycol.
Claim 12
Dependent Claim
12 words
The dentifrice according to claim 5, wherein the abrasive is dicalcium phosphate.
Claim 13
Dependent Claim
11 words
The dentifrice according to claim 5, wherein the abrasive is alumina.
Claim 14
Dependent Claim
18 words
The dentifrice according to claim 12, wherein the abrasive is a mixture of hydrated alumina and calcined alumina.
Claim 15
Dependent Claim
22 words
The dentifrice according to claim 2, wherein the humectant comprises about 20-30% by weight of a mixture of sorbitol and polyethylene glycol.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-07-08 | 1989-01-07 | 1989-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-08 | 1993-01-07 | 1993-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-08 | 1997-01-07 | 1997-07-09 | $7700.00 | Window Closed / Lapsed |