US3897548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oral compositions for retarding the formation of dental plaque and methods of utilization thereof
Assignee: Indiana University Foundation Inc
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Filing: 1973-04-09
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Granted: 1975-07-29
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Expires: 1993-04-09
Abstract
Abstract New compositions effective in inhibiting the formation of dental plaque comprise an antibacterial agent in combination with an enamel conditioning agent to facilitate incorporation of the antibacterial agent into the dental enamel. A new method of inhibiting the formation of dental plaque comprises the step of applying such a composition to the oral hard tissues.
Inventors
- 👤 Simon Katz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:05
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/24; A61K8/30; A61K8/33; A61K8/36; A61K8/362; A61K8/55; A61K8/69; A61Q; A61Q11/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
A METHOD OF REMOVING DENTAL PLAQUE FROM AND INHABITING THE FORMATION OF DENTAL PLAQUE ON DENTAL ENAMEL COMPRISING THE APPLICATION THEREOF OF A COMPOSITION COMPRISING: ABOUT 0.0-5% BY WEIGHT OF A NON-TOXIC ANTIBACTERIAL AGENT SELECTED FROM THE GROUP CONSISTING OF HEXACHLOROPHENE, TRIBROMOSALICYLANILIDE, 3, 5-DIBROMO-3 3'' TRIFLOUROMETHYLSALICYLANILIDE, P-AMINOSALICYCLIC ACID, AND P-AMINOBENZONIC ACID, AND 0.01-10% BY WEIGHT OF FUMARIC ACID.
Claim 2
Independent Claim
58 words
A METHOD OF REMOVING DENTAL PLAQUE FROM AND INHABITING THE FORMATION OF DENTAL PLAQUE ON DENTAL ENAMEL COMPRISING THE APPLICATION THEREOF OF A COMPOSITION COMPRISING: ABOUT 0.0-5% BY WEIGHT OF A NON-TOXIC ANTIBACTERIAL AGENT SELECTED FROM THE GROUP CONSISTING OF HEXACHLOROPHENE, TRIBROMOSALICYLANILIDE, 3, 5-DIBROMO-3 3'' TRIFLOUROMETHYLSALICYLANILIDE, P-AMINOSALICYCLIC ACID, AND P-AMINOBENZONIC ACID, AND 0.01-10% BY WEIGHT OF FUMARIC ACID.
Claim 3
Independent Claim
59 words
A method of removing dental plaque from an inhibiting the formation of dental plaque on dental enamel comprising the application thereto of a composition comprising: about 0.01-50% by weight of a non-toxic antibacterial agent selected from the group consisting of hexachlorophene, tribromosalicylanilide, 3, 5-dibromo-3'' trifluoromethylsalicylanilide, p-aminosalicyclic acid, and p-aminoaobenzoic acid; and 0.01-10.0% by weight of a difluoroxalatostannate (II) complex.
Claim 4
Independent Claim
59 words
A method of removing dental plaque from an inhibiting the formation of dental plaque on dental enamel comprising the application thereto of a composition comprising: about 0.01-50% by weight of a non-toxic antibacterial agent selected from the group consisting of hexachlorophene, tribromosalicylanilide, 3, 5-dibromo-3'' trifluoromethylsalicylanilide, p-aminosalicyclic acid, and p-aminoaobenzoic acid; and 0.01-10.0% by weight of a difluoroxalatostannate (II) complex.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |