US3689636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method for desensitizing sensitive teeth
Assignee: Bentex Pharmaceutical Co
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Filing: 1969-10-24
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Granted: 1972-09-05
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Expires: 1989-10-24
Abstract
Abstract A composition and method for desensitizing sensitive teeth is disclosed. The composition comprises the chloride salts of calcium, magnesium, sodium, and potassium. According to a preferred embodiment of this invention, the compositions are formed by mixing saturated solutions of each salt. The compositions can be applied to the gingival crevices or other sensitive areas of the teeth.
Inventors
- 👤 Leonard J Svajda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:11
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
The method of claim 1 further comprising topically applying said composition to the teeth and allowing said composition to remain in contact with said teeth for at least 3 minutes.
Claim 2
Dependent Claim
23 words
The method of claim 2 further comprising removing essentially all the saliva from said teeth prior to applying said composition to said teeth.
References Cited (Backward Citations)
US3356570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |