Patent US3539005A successfully refreshed from Google Patents.
US2829086A
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Dental preparations comprising higher aliphatic perfluorinated acid compounds
Assignee: Colgate Palmolive Co
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Filing: 1954-09-21
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Granted: 1958-04-01
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Expires: 1974-09-21
Abstract
No abstract record available.
Inventors
- 👤 Kirschenbauer Hans George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/361; A61K8/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A DENTAL PREPARATION COMPRISING A POLISHING AGENT AND ABOUT 0.05 TO 20% BY WEIGHT OF A HIGHER SATURATED PERFLUORO FATTY ACID COMPOUND HAVING AT LEAST 6 CARBON ATOMS IN THE FATTY ACID RADICAL.
Claim 2
Dependent Claim
33 words
A DENTAL PREPARATION COMPRISING A POLISHING AGENT AND ABOUT 0.05 TO 20% BY WEIGHT OF A HIGHER SATURATED PERFLUORO FATTY ACID COMPOUND HAVING AT LEAST 6 CARBON ATOMS IN THE FATTY ACID RADICAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |