Patent US3793447A successfully refreshed from Google Patents.
US3793447A
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Compositions and method for removing and retarding dental plaque and calculus with 8-hydroxyquinoline sulfate
Assignee: MENLEY AND JAMES LABOR Ltd
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Filing: 1972-10-24
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Granted: 1974-02-19
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Expires: 1992-10-24
Abstract
Abstract DENTIFRICE COMPOSITIONS FOR RETARDING AND REMOVING DENTAL CALCULUS AND PLAQUE CONTAINING 8-HYDROXYQUINOLINE SULFATE AND A METHOD OF REMOVING AND RETARDING DENTAL CALCULUS AND PLAQUE BY ADMINISTERING THE COMPOSITIONS TO THE ORAL CAVITY OF ANIMAL ORGANISMS.
Inventors
- 👤 Palma P De
- 👤 J Loux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:04
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4926
Claims Analysis
Total Claims: 0
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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) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |