US3574823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dentifrice containing visible agglomerated particles of polishing agents
Assignee: Colgate Palmolive Co
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Filing: 1968-08-05
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Granted: 1971-04-13
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Expires: 1988-08-05
Abstract
Abstract DENTIFRICE CONTAINING VISIBLE, PALPABLE AND ESTHETICALLY PLEASING SUBSTANTIALLY WATER-INSOLUBLE AGGLOMERATED PARTICLES OF POLISHING AGENTS. THE PARTICLES ARE REDUCED TO SMALLER IMPALAPABLE SIZE BY MILD MECHANICAL ACTION SUCH AS BY TOOTHBRUSHING. THE AGGLOMERATES INCLUDE WATER INSOLUBLE POLISHING AGENT SUCH AS INSOLUBLE SODIUM METAPHOSPHATE OR DICALCUIM AND MAY ALSO CONTAIN A BINDING AGENT SUCH AS GUM ACACIA, GLEATIN, STARCH, CARBOXYMETHYL CELLULOSE OR THE LIKE.
Inventors
- 👤 Francis D Roberts
- 👤 John J Steinke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:06
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/02; A61K8/0241; A61K8/0275; A61K8/04; A61K8/042; A61K2800/00; A61K2800/20; A61K2800/26; A61K2800/262
Claims Analysis
Total Claims: 0
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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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |