US2941926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorophyll dental powder
Assignee: Colgate Palmolive Co
•
Filing: 1954-12-14
•
Granted: 1960-06-21
•
Expires: 1974-12-14
Abstract
No abstract record available.
Inventors
- 👤 Salzmann Gerhard Martin
- 👤 Schiraldi Robert Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:41
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/24; A61K8/30; A61K8/46; A61K8/463; A61K8/49; A61K8/494; A61Q; A61Q11/00; A61K2800/00; A61K2800/40; A61K2800/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR THE PREPARATION OF A DENTAL POWDER COMPRISING MIXING WATER-SOLUBLE CHLOROPHYLL COMPOUND, WATER-INSOLUBLE COLOR CARRIER, AND AN AMOUNT OF WATER SUFFICIENT TO MOISTEN AND CAUSE SUBSTANTIAL VISIBLE STAINING OF SAID COLOR CARRIER BY SAID CHLOROPHYLL COMPOUND BUT INSUFFICIENT TO FORM A SLURRY WITH SAID CARRIER, AND INCORPORATING SAID STAINED COLOR CARRIER IN A DENTAL POWDER IN SUFFICIENT PROPORTION TO IMPART A GREEN HUE THERETO.
Claim 2
Dependent Claim
66 words
A PROCESS FOR THE PREPARATION OF A DENTAL POWDER COMPRISING MIXING WATER-SOLUBLE CHLOROPHYLL COMPOUND, WATER-INSOLUBLE COLOR CARRIER, AND AN AMOUNT OF WATER SUFFICIENT TO MOISTEN AND CAUSE SUBSTANTIAL VISIBLE STAINING OF SAID COLOR CARRIER BY SAID CHLOROPHYLL COMPOUND BUT INSUFFICIENT TO FORM A SLURRY WITH SAID CARRIER, AND INCORPORATING SAID STAINED COLOR CARRIER IN A DENTAL POWDER IN SUFFICIENT PROPORTION TO IMPART A GREEN HUE THERETO.
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |