US3105798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dentifrice composition
Assignee: Procter and Gamble Co
•
Filing: 1958-05-29
•
Granted: 1963-10-01
•
Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 William M Holliday
- 👤 Henry C Schweizer
- 👤 Paul E Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:51
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/30; A61K8/33; A61K8/36; A61K8/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A DENTIFRICE COMPOSITION HAVING INCORPORATED THREIN AN ENAMEL SOLUBILITY REDUCING MATERIAL CONSISTING ESSENTIALLY OF: (1) A WATER-SOLUBLE FLUORIDE SALT PROVIDING AT LEAST 25 PARTS OF FLUOORIDE IONS PER MILLION PARTS OF DENTIFRICE, THE TOTAL AMOUNT OF IONIZED AND UNIONIZED FLUORINE NOT EXCEEDING 4000 PARTS PER MILLION PARTS PER MILLION FRICE, (2) STANNOUS TIN IN THE FORM OF A WATER-SOLUBLE SALT, PROVIDING A TOTAL CONTENT OF STANNOUS TIN IN SOLUTION OF FROM ABOUT 5000 TO ABOUT 15,000 PARTS PER MILLION PARTS OF IDENTIFRICE, AND (3) A WATER-SOLUBLE SOURCE OF SIX-CARBON ADONATE GROUPS CAPABLE OF FORMING WATER-SOLUBLE CHEMICAL COMPEXES WITH STANNOUS TIN, THE MOLAR RATIO OF ALDONATE GROUPS TO STANNOUS TIN BEING IN THE RANGE OF FROM ABOUT ONE:ONE TO ABOUT THREE:ONE, THE MOLAR RATIO OF STANNOUS TIN TO FLUORIDE IONS BEING GREATER THAN ONE:ONE: SAID DENTIFRICE HAVING A PH OF FROM ABOUT 5 TO 7.
Claim 2
Dependent Claim
144 words
A DENTIFRICE COMPOSITION HAVING INCORPORATED THREIN AN ENAMEL SOLUBILITY REDUCING MATERIAL CONSISTING ESSENTIALLY OF: (1) A WATER-SOLUBLE FLUORIDE SALT PROVIDING AT LEAST 25 PARTS OF FLUOORIDE IONS PER MILLION PARTS OF DENTIFRICE, THE TOTAL AMOUNT OF IONIZED AND UNIONIZED FLUORINE NOT EXCEEDING 4000 PARTS PER MILLION PARTS PER MILLION FRICE, (2) STANNOUS TIN IN THE FORM OF A WATER-SOLUBLE SALT, PROVIDING A TOTAL CONTENT OF STANNOUS TIN IN SOLUTION OF FROM ABOUT 5000 TO ABOUT 15,000 PARTS PER MILLION PARTS OF IDENTIFRICE, AND (3) A WATER-SOLUBLE SOURCE OF SIX-CARBON ADONATE GROUPS CAPABLE OF FORMING WATER-SOLUBLE CHEMICAL COMPEXES WITH STANNOUS TIN, THE MOLAR RATIO OF ALDONATE GROUPS TO STANNOUS TIN BEING IN THE RANGE OF FROM ABOUT ONE:ONE TO ABOUT THREE:ONE, THE MOLAR RATIO OF STANNOUS TIN TO FLUORIDE IONS BEING GREATER THAN ONE:ONE: SAID DENTIFRICE HAVING A PH OF FROM ABOUT 5 TO 7.
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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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |