US3711604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoride containing transparent dentifrice
Assignee: Colgate Palmolive Co
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Filing: 1971-07-19
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Granted: 1973-01-16
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Expires: 1991-07-19
Abstract
Abstract Transparent dentifrice formulations including a fluorine containing ingredient, preferably stannous fluoride, are disclosed. The fluorine ingredient is incorporated in aesthetically pleasing speckles that are uniformly dispersed throughout the clear dentifrice.
Inventors
- 👤 D Colodney
- 👤 M Cordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:20
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/0241; A61K8/0245; A61K8/04; A61K8/044; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/30; A61K8/64; A61K8/66; A61Q; A61Q11/00; A61K2800/00; A61K2800/20; A61K2800/26; A61K2800/262
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
172 words
A dental cream formulation comprising a. from about 20 to about 70 percent by weight of a liquid phase including water and a humectant agent and, b. from about 20 to about 70 percent by weight of a solid phase, c. said solid phase including a plurality of macroscopically visible particles, d. each of said macroscopically visible particles including a plurality of subparticles of a fluorine containing sub-stance held togetHer by a thermoplastic binding resin, e. said fluorine containing substance being chosen from the group consisting of stannous fluoride, sodium fluoride, potassium stannous fluoride, potassium fluorozirconate, sodium hexafluorostannate, stannous chlorofluoride and sodium monofluoro-phosphate, f. said thermoplastic binding resin being chosen from the group consisting of polyethylene resins having a molecular weight of about 1,500 to bout 3,500, g. said subparticles comprising from about 10 to about 30 percent by weight of said particles, h. said particles being present in said dental cream in an amount resulting in a water-soluble fluoride ion content of from about 0.01 to about 1.0 percent by weight.
Claim 2
Dependent Claim
34 words
The dental cream formulation of claim 2, wherein said liquid phase is visually clear and said solid phase includes a dental polishing agent having a refractive index substantially the same as said liquid phase.
Claim 3
Dependent Claim
15 words
The dental cream formulation of claim 2, wherein said fluorine containing substance is stannous fluoride.
Claim 4
Dependent Claim
23 words
The dental cream formulation of claim 2, wherein said particles comprise from about 1 to about 5 percent by weight of said formulation.
Claim 5
Dependent Claim
31 words
The dental cream formulation of claim 2, wherein said thermoplastic binding resin has a hardness, measured as tenths of a millimeter needle penetration (ASTM D1321) from about 1 to about 15.
Claim 6
Dependent Claim
25 words
The dental cream formulation of claim 2, wherein said fluorine containing substance is stannous fluoride and comprises approximately 20 percent by weight of said particles.
Claim 7
Dependent Claim
22 words
The dental cream formulation of claim 7 wherein, a. said particles comprise approximately 2 percent by weight of said dental cream formulation.
Claim 8
Dependent Claim
24 words
The dental cream formulation of claim 2, wherein said particles further include up to 80 percent by weight of a water-insoluble dental polishing agent.
Claim 9
Dependent Claim
22 words
The dental cream formulation of claim 9, wherein said dental polishing agent has a Moh hardness of about 2 to about 10.
Claim 10
Dependent Claim
24 words
The dental cream formulation of claim 10, wherein said dental polishing agent has a mean particle size of about 0.1 to about 10 microns.
Claim 11
Dependent Claim
15 words
The dental cream formulation of claim 11, wherein said dental polishing agent is zirconium silicate.
Claim 12
Dependent Claim
93 words
A dental cream formulation comprising a dental vehicle having dispersed therein macroscopically visible particles of a water-soluble anticaries fluoride salt joined together by a material chosen from the group consisting of carnauba wax, paraffin wax and thermoplastic binding resins having a molecular weight of about 1000 to about 15,000 and a hardness, expressed as tenth of a millimeter needle penetration (ASTM D1321) of about 1 to about 15, said particles being present in said formulation in an amount resulting in a fluoride ion content of about 0.01 to about 1.0 percent by weight.
Claim 13
Dependent Claim
39 words
The cream formulation of claim 13 wherein a. said water soluble anti-caries fluoride salt is chosen from the group consisting of stannous fluoride, sodium fluoride, potassium fluoride, potassium stannous fluoride, potassium fluorozirconate, sodium hexafluorostannate, stannous chlorofluoride and sodium monofluorophosphate.
Claim 14
Dependent Claim
18 words
The improved dental cream formulation of claim 13 wherein said water soluble anti-caries fluoride salt is stannous fluoride.
Claim 15
Dependent Claim
30 words
The improved dental cream formulation of claim 13 wherein the percentage by weight of said water soluble anti-caries fluoride salt in said particles is between about 10 and about 30.
Claim 16
Dependent Claim
30 words
The dental cream formulation of claim 13 wherein said thermoplastic binding resin is chosen from the group consisting of ethylenically unsaturated polymers, polyamide resins, polymethacrylate resins, polyacrylate resins, polycarbonate resins.
Claim 17
Dependent Claim
25 words
The dental cream formulation of claim 17 wherein said thermoplastic binding resin is a polyethylene resin having a molEcular weight between about 1,500 and 3,500.
Claim 18
Dependent Claim
22 words
The dental cream of claim 13, wherein said particles comprise from about 1 to about 5 percent by weight of said formulation.
Claim 19
Dependent Claim
32 words
The dental cream formulation of claim 13, wherein said dental vehicle is substantially visually clear and includes a dental polishing agent having substantially the same index of refraction as said dental vehicle.
Claim 20
Dependent Claim
33 words
The dental cream formulation of claim 20, wherein said polishing agent is a synthetic amorphous complex alumino-silicate salt of an alkali metal or alkaline earth metal in which silica is interbonded with alumina.
Claim 21
Dependent Claim
33 words
The dental cream formulation of claim 13, wherein said particles include up to about 80 percent by weight of a dental polishing agent having a Moh hardness of about 2 to about 10.
Claim 22
Dependent Claim
27 words
The dental cream formulation of claim 22, wherein said polishing agent is in particulate form having a mean particle size of about 0.1 to about 10 microns.
Claim 23
Dependent Claim
14 words
The dental cream formulation of claim 23, wherein said polishing agent is zirconium silicate.
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |