US3911104A
Expired / Lapsed
US
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Gel dentifrices
Assignee: Colgate Palmolive Co
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Filing: 1974-09-16
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Granted: 1975-10-07
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Expires: 1994-09-16
Abstract
Abstract Visually clear dentifrices containing synthetic, amorphous complex salts of aluminosilicate and a fluoride-providing compound are disclosed.
Inventors
- 👤 Michael Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:46
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/042; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/26; A61K8/30; A61K8/40; A61K8/43; A61K2800/00; A61K2800/20; A61K2800/26; A61K2800/262
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
119 words
A VISUALLY SUBSTANTIALLY CLEAR DENTIFRICE COMPRISING ABOUT 5-50% BY WEIGHT OF A DENTALLY ACCEPTABLE SUBSTANTIALLY WATERINSOLUBLE PARTICULATE POLISHING AGENT IN A GEL VECHICLE HAVING SUBSTANTIALLY THE SAME REFRACTIVE INDEX AS SAID POLISHING AGENT, SAID POLISHING AGENT BEING A SYNTHETIC AMORPHOUS COMPLEX ALUMINOSILICATE SALT OF AN ALKALI METAL OR ALKALINE EARTH METAL IN WHICH SILICA IS INTERBONDED WITH ALUMINA AND HAVING A REFRACTIVE INDEX OF ABOUT 1.44-1.47, UP TO ABOUT 20% BY WEIGHT OF MOISTURE AND UP TO ABOUT 10% BY WEIGHT OF ALKALI METAL OXIDE OR ALKALINE EARTH METAL OXIDE AND SAID POLISHING AGENT BEING SUBSTANTIALLY INVISIBLE IN SAID LIQUID VEHICLE AND AN ALKA LI METAL FLUORINE-PROVIDING COMPOUND IN AMOUNT WHICH PROVIDES AN EFFECTIVE, NON-TOXIC AMOUNT OF FLUORINE-CONTAINING ION.
Claim 2
Dependent Claim
119 words
A VISUALLY SUBSTANTIALLY CLEAR DENTIFRICE COMPRISING ABOUT 5-50% BY WEIGHT OF A DENTALLY ACCEPTABLE SUBSTANTIALLY WATERINSOLUBLE PARTICULATE POLISHING AGENT IN A GEL VECHICLE HAVING SUBSTANTIALLY THE SAME REFRACTIVE INDEX AS SAID POLISHING AGENT, SAID POLISHING AGENT BEING A SYNTHETIC AMORPHOUS COMPLEX ALUMINOSILICATE SALT OF AN ALKALI METAL OR ALKALINE EARTH METAL IN WHICH SILICA IS INTERBONDED WITH ALUMINA AND HAVING A REFRACTIVE INDEX OF ABOUT 1.44-1.47, UP TO ABOUT 20% BY WEIGHT OF MOISTURE AND UP TO ABOUT 10% BY WEIGHT OF ALKALI METAL OXIDE OR ALKALINE EARTH METAL OXIDE AND SAID POLISHING AGENT BEING SUBSTANTIALLY INVISIBLE IN SAID LIQUID VEHICLE AND AN ALKA LI METAL FLUORINE-PROVIDING COMPOUND IN AMOUNT WHICH PROVIDES AN EFFECTIVE, NON-TOXIC AMOUNT OF FLUORINE-CONTAINING ION.
Claim 3
Dependent Claim
23 words
The dentifrice claimed in claim 1 wherein said fluorine-providing compound is present in amount which provides about 0.01-1% of fluorine to the dentifrice.
Claim 4
Dependent Claim
15 words
The dentifrice claimed in claim 1 wherein said complex aluminosilicate salt is a sodium salt.
Claim 5
Dependent Claim
15 words
The dentifrice claimed in claim 1 wherein said complex aluminosilicate salt is a calcium salt.
Claim 6
Dependent Claim
13 words
The dentifrice claimed in claim 1 wherein said fluorine-providing compound is a monofluorophosphate.
Claim 7
Dependent Claim
12 words
The dentifrice claimed in claim 5 wherein said monofluorophosphate is sodium monofluorophosphate.
Claim 8
Dependent Claim
41 words
The dentifrice claimed in claim 1 wherein said gel vehicle comprises a liquid containing water, a humectant or mixtures thereof and comprising about 20-94.5% by weight of the dentifrice and a gelling agent comprising about 0.5-5% by weight of the dentifrice.
Claim 9
Dependent Claim
35 words
The dentifrice claimed in claim 7 wherein said liquid comprises up to about 30% by weight of water, about 15-40% by weight of glycerine humectant and up to about 80% by weight of sorbitol humectant.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |