Patent US2994642A successfully refreshed from Google Patents.
US2994642A
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US
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Sodium chloride toothpaste having a silica aerogel carrier
Assignee: Individual
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Filing: 1958-03-18
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Granted: 1961-08-01
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Expires: 1978-03-18
Abstract
No abstract record available.
Inventors
- 👤 Bossard Francois Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:17
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/25; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61Q; A61Q11/00; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412; A61K2800/413
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A TOOTHPASTE COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 25 PERCENT BY WEIGHT AQUEOUS SODIUM CHLORIDE SOLUTION ABSORBED ON AN AMORPHOUS PARTICULATE SILICA AEROGEL CARRIER, SAID SILICA CARRIER HAVING BEEN PRECIPITATED FROM THE GASEOUS PHASE AS PARTICLES VERAGING BETWEEN 4 AND 120 MILLIMICRONS IN DIAMETER HAVING FROM 1X1015 TO 12X1015 PARTICLES AND AN ACTIVE SURFACE AREA FROM 150 TO 300 SQUARE METERS PER GRAM, SAID COMPOSITION CONTAINING FROM 12.5 TO 23 PERCENT BY WEIGHT OF SODIUM CHLORIDE BASED ON THE TOTAL WEIGHT OF THE TOOTHPASTE COMPOSITION.
Claim 2
Dependent Claim
84 words
A TOOTHPASTE COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 25 PERCENT BY WEIGHT AQUEOUS SODIUM CHLORIDE SOLUTION ABSORBED ON AN AMORPHOUS PARTICULATE SILICA AEROGEL CARRIER, SAID SILICA CARRIER HAVING BEEN PRECIPITATED FROM THE GASEOUS PHASE AS PARTICLES VERAGING BETWEEN 4 AND 120 MILLIMICRONS IN DIAMETER HAVING FROM 1X1015 TO 12X1015 PARTICLES AND AN ACTIVE SURFACE AREA FROM 150 TO 300 SQUARE METERS PER GRAM, SAID COMPOSITION CONTAINING FROM 12.5 TO 23 PERCENT BY WEIGHT OF SODIUM CHLORIDE BASED ON THE TOTAL WEIGHT OF THE TOOTHPASTE COMPOSITION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |