Patent US3758689A successfully refreshed from Google Patents.
US3758689A
Expired / Lapsed
US
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Method of treating periodontal disease
Assignee: Individual
•
Filing: 1971-03-24
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Granted: 1973-09-11
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Expires: 1991-03-24
Abstract
Abstract Self-administerable method of treating periodontal disease by providing a dilute aqueous benzalkonium chloride solution, pumping the solution through an orifice to provide a pulsating jet stream that is capable of penetrating directly into the periodontal pockets associated with periodontal disease, and applying the jet stream to diseased gingival tissue and into the periodontal pockets.
Inventors
- 👤 I Rapfogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:33
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/60; A61K6/69; A61K6/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A method in accordance with claim 1 wherein said aqueous solution contains between about 0.02 and about 0.06 weight percent benzalkonium chloride, based on the weight of said solution.
Claim 2
Dependent Claim
27 words
A process in accordance with claim 1 wherein said applying of said jet stream is carried out daily for a period of at least about 7 days.
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |