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Patent US3235459A successfully refreshed from Google Patents.
US3235459A
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US
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Oral compositions for caries prophylaxis
Assignee: Procter and Gamble Co
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Filing: 1962-02-15
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Granted: 1966-02-15
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Marion D Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:05
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/69; A61Q; A61Q11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AN ORAL COMPOSITION FOR CARIES PROPHYLAXIS COMPRISING AT LEAST ONE N-ALKYLOL QUATERNARY AMMONIUM FLUORIDE SELECTED FROM THE GROUP CONSISTING OF METHYLTRIETHANOL AMMONIUM FLUORIDE, DIMETHYLDIETHANOL AMMONIUM FLUORIDE, AND TRIMETHYLETHANOL AMMONIUM FLUORIDE, IN A QUANTITY SUFFICIENT TO PROVIDE FORM ABOUT 100 PARTS TO ABOUT 7500 PARTS OF FLUORINE PER MILLION PARTS OF THE TOTAL COMPOSITION, AND A CARRIER SUITABLE FOR USE IN THE ORAL CAVITY, THE PH OF SAID COMPOSITION BEING WITHIN THE RANGE FROM ABOUT 4 TO 6 IN AQUEOUS SOLUTION.
Claim 2
Dependent Claim
80 words
AN ORAL COMPOSITION FOR CARIES PROPHYLAXIS COMPRISING AT LEAST ONE N-ALKYLOL QUATERNARY AMMONIUM FLUORIDE SELECTED FROM THE GROUP CONSISTING OF METHYLTRIETHANOL AMMONIUM FLUORIDE, DIMETHYLDIETHANOL AMMONIUM FLUORIDE, AND TRIMETHYLETHANOL AMMONIUM FLUORIDE, IN A QUANTITY SUFFICIENT TO PROVIDE FORM ABOUT 100 PARTS TO ABOUT 7500 PARTS OF FLUORINE PER MILLION PARTS OF THE TOTAL COMPOSITION, AND A CARRIER SUITABLE FOR USE IN THE ORAL CAVITY, THE PH OF SAID COMPOSITION BEING WITHIN THE RANGE FROM ABOUT 4 TO 6 IN AQUEOUS SOLUTION.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |