US3703578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth paste having improved tooth cleaning properties
Assignee: Alberto Culver Co
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Filing: 1970-04-24
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Granted: 1972-11-21
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Expires: 1990-04-24
Abstract
Abstract TOOTHPASTE, OF THE NON-SELF-HEATING TYPE AND OF THE TYPE WHICH DOES NOT LIBRATE OXYGEN IN THE PRESENCE OF WATER, HAVING IMPROVED TOOTH CLEANING PROPERTIES COMPRISING A MILD ABRASIVE AGENT, IN MAJOR PROPORTION BASED UPON THE WEIGHT OF THE SOLID INGREDIENTS OF THE TOOTHPASTE, AND AT LEAST 20%, BY WEIGHT, OF THE TOTAL OF THE LIQUID INGREDIENTS OF SAID TOOTHPASTE, OF AT LEAST ONE WATER-SOLUBLE POLYOXYALKYLENEGLYCOL HAVING A MOLECULAR WEIGHT OF AT LEAST 200.
Inventors
- 👤 John A Cella
- 👤 William H Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:54
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/22; A61K8/72; A61K8/84; A61K8/86; 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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |