Patent US3137632A successfully refreshed from Google Patents.
US3137632A
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Chlorophyll dentifrice compositions
Assignee: Colgate Palmolive Co
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Filing: 1952-02-19
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Granted: 1964-06-16
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Expires: 1972-02-19
Abstract
No abstract record available.
Inventors
- 👤 Schiraldi Robert Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:00
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/24; A61K8/30; A61K8/40; A61K8/44; A61K8/49; A61K8/494; A61K8/72; A61K8/73; A61K8/733; A61K2800/00; A61K2800/40; A61K2800/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A DENTIFRICE COMPOSITION COMPRISING AT LEAST ONE WATER INSOLUBLE CALCIUM COMPOUND, A WATER SOLUBLE CHLOROPHYLL COMPOUND, AND A WATER SOLUBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF ORTHOPHOSPHORIC ACID, PYROPHOSPHORIC ACID, TRIPOLYPHOSPHORIC ACID, CITRIC ACID, SILICIC ACID, GLUCONIC ACID, AND THEYLENE DIAMINE TETRAACETIC ACID.
Claim 2
Dependent Claim
48 words
A DENTIFRICE COMPOSITION COMPRISING AT LEAST ONE WATER INSOLUBLE CALCIUM COMPOUND, A WATER SOLUBLE CHLOROPHYLL COMPOUND, AND A WATER SOLUBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS OF ORTHOPHOSPHORIC ACID, PYROPHOSPHORIC ACID, TRIPOLYPHOSPHORIC ACID, CITRIC ACID, SILICIC ACID, GLUCONIC ACID, AND THEYLENE DIAMINE TETRAACETIC ACID.
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US2191199A
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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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |