US3308029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dentifrice compositions comprising dicalcium orthophosphate and sodium monofluorophosphate
Assignee: Monsanto Co
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Filing: 1963-11-06
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Granted: 1967-03-07
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Saunders Elerington
- 👤 Schiff Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:59
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/24; A61Q; A61Q11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A TOOTHPASTE COMPOSITION CONTAINING FROM ABOUT 20% TO ABOUT 60%, BY WEIGHT OF AN ABRASIVE MATERIAL AND FROM ABOUT 0.2% TO ABOUT 2.0%, BY WEIGHT, OF SODIUM MONOFLUOROPHOSPHATE; SAID ABRASIVE MATERIAL CONSISTING OF DICALCIUM ORTHOPHOSPHATE AND BEING CHARACTERIZED BY HAVING A PARTICLE SIZE SMALL ENOUGH TO PASS THROUGH A NO. 200 MESH U.S. STANDARD SCREEN.
Claim 2
Dependent Claim
55 words
A TOOTHPASTE COMPOSITION CONTAINING FROM ABOUT 20% TO ABOUT 60%, BY WEIGHT OF AN ABRASIVE MATERIAL AND FROM ABOUT 0.2% TO ABOUT 2.0%, BY WEIGHT, OF SODIUM MONOFLUOROPHOSPHATE; SAID ABRASIVE MATERIAL CONSISTING OF DICALCIUM ORTHOPHOSPHATE AND BEING CHARACTERIZED BY HAVING A PARTICLE SIZE SMALL ENOUGH TO PASS THROUGH A NO. 200 MESH U.S. STANDARD SCREEN.
References Cited (Backward Citations)
US2647073A
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US2773801A
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US2876166A
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US3227617A
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US3119743A
Cited
US3227618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |