Patent US3676112A successfully refreshed from Google Patents.
US3676112A
Expired / Lapsed
US
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Anticariogenic dental amalgam
Assignee: Indiana University Foundation Inc
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Filing: 1970-05-19
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Granted: 1972-07-11
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Expires: 1990-05-19
Abstract
Abstract THIS INVENTION RELATES TO AN ANTICARIOGENIC DENTAL AMALGAM AND METHOD OF REDUCING DENTAL CARIES AT THE MARGIN OF A DENTAL RESTORATION. MOREOVER, THIS INVENTION RELATES TO A SPECIFIC DENTAL AMALGAM ADDITIVE, STANNOUS HEXAFLUOROZIRCONATE, SNZRF6, THAT PROVIDES ANTICARIOGENIC EFFECTIVENESS WITHOUT APPRECIABLY AFFECTING THE PHYSICAL PROPERTIES SET FORTH BY THE AMERICAN DENTAL ASSOCIATION FOR DENTAL AMALGAM ALLOYS.
Inventors
- 👤 Joseph C Muhler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:31
CPC Classifications
C; C22; C22C; C22C7/00; A; A61; A61K; A61K6/00; A61K6/80; A61K6/84; A61K6/847
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |