US3562385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental antiplaque and anticalculus compositions
Assignee: Merck and Co Inc
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Filing: 1968-12-23
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Granted: 1971-02-09
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Expires: 1988-12-23
Abstract
Abstract COMPOSITIONS FOR THE REMOVAL OF DENTAL PLAQUE AND CALCULUS CONTAINING COMBINATIONS OF ONE, TWO OR THREE OF THE ACTIVE AGENTS: DEXTRANASE, 1,6-BIS-(2-ETHYLHEXYLBIGUANIDO)HEXANE DIHYDROCHLORIDE AND SODIUM HEXAMETHAPHOSPHATE TOGETHER WITH OR WITHOUT ADDED DETERGENTS, SURFACTANTS AND ATNIMICROBIAL INGREIDENTS.
Inventors
- 👤 Philip L Block
- 👤 Eugene E Howe
- 👤 Myron J Lover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:52
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/66; A61K8/40; A61K8/43; A61Q; A61Q11/00
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |