Patent US2991229A successfully refreshed from Google Patents.
US2991229A
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Toothpaste composition
Assignee: Union Carbide Corp
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Filing: 1958-09-30
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Granted: 1961-07-04
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Expires: 1978-09-30
Abstract
No abstract record available.
Inventors
- 👤 Ivison Maynard Thayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:22
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/86
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A TOOTHPASTE COMPOSITION COMPRISING ABRASIVE, LIQUID VEHICLE, AND FROM ABOUT 0.001 TO 5 WEIGHT PERCENT, BASED ON THE WEIGHT OF SAID COMPOSITION, OF RESINOUS POLY(ETHYLENE OXIDE) WHICH HAS A REDUCED VISCOSITY OF AT LEAST 0.5 AS MEASURED AT A CONCENTRATION OF 0.02 GRAM OF SAID POLY(ETHYLENE OXIDE) IN 100 MILLILITERS OF ACETONITRILE AT 30*C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |