Patent US3306824A successfully refreshed from Google Patents.
US3306824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dietary fluoride and vitamin preparations
Assignee: Kendall Co
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Filing: 1963-12-31
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Granted: 1967-02-28
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Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 Perttu V Laasko
- 👤 James R Mellberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:07
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/519; A61K31/525; A61K8/00; A61K8/18; A61K8/19; A61K8/26; A61K8/28; A61K8/30; A61K8/40; A61K8/44; A61K8/67; A61K8/673; A61K8/676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A LIQUID DICTARY FLUORIDE AND VITAMIN SUPPLEMENT HAVING A PH OF ABOUT 3.0 TO 4.5 COMPRISING AN AQUEOUS VEHICLE CONTAINING DIETARY AMOUNTS OF WATER-SOLUBLE FLUORIDE AND A VITAMIN COMPONENT COMPRISING AT LEAST ONE VITAMIN SELECTED FROM THE GROUP CONSISTING OF ASCORBIC ACID AND A RIBOFLAVIN ESTER SOLUBLE IN SAID VEHICLE, AND CONTAINING A SALT SELECTED FROM THE GROUP CONSITING OF WATER-SOLUBLE ALUMINUM AND ZICONIUM CHLORIDE, SULFATE, ACETATE AND CIRATE SALTS IN AN AMOUNT TO PROVIDE A MOL RATIO OF SALT TO FLUORIDE OF FROM ABOUT 0.33 TO 2 TO THEREBY PROVIDE METAL CATIONS OF SAID SALTS TO PREVENT REACTION OF FLUORIDE WITH GLASS WHEN SAID SUPPLEMENT IS IN CONTACT THEREWITH AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACETIC ACID N-SUBSTITUTED AND ACETIC ACID AND HYDROXYETHYL N-SUBSTITUTED ETHYLENEDIAMINE AND DIETHYLENETRIAMINE AND WATER SOLUBLE SALTS THEREOF IN AN AMOUNT TO PROVIDE A MOL RATIO OF SAID COMPOUND TO SAID SALT OF FROM ABOUT 0.5 TO 1 TO CHELATE WITH SAID METAL IONS.
Claim 2
Dependent Claim
162 words
A LIQUID DICTARY FLUORIDE AND VITAMIN SUPPLEMENT HAVING A PH OF ABOUT 3.0 TO 4.5 COMPRISING AN AQUEOUS VEHICLE CONTAINING DIETARY AMOUNTS OF WATER-SOLUBLE FLUORIDE AND A VITAMIN COMPONENT COMPRISING AT LEAST ONE VITAMIN SELECTED FROM THE GROUP CONSISTING OF ASCORBIC ACID AND A RIBOFLAVIN ESTER SOLUBLE IN SAID VEHICLE, AND CONTAINING A SALT SELECTED FROM THE GROUP CONSITING OF WATER-SOLUBLE ALUMINUM AND ZICONIUM CHLORIDE, SULFATE, ACETATE AND CIRATE SALTS IN AN AMOUNT TO PROVIDE A MOL RATIO OF SALT TO FLUORIDE OF FROM ABOUT 0.33 TO 2 TO THEREBY PROVIDE METAL CATIONS OF SAID SALTS TO PREVENT REACTION OF FLUORIDE WITH GLASS WHEN SAID SUPPLEMENT IS IN CONTACT THEREWITH AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACETIC ACID N-SUBSTITUTED AND ACETIC ACID AND HYDROXYETHYL N-SUBSTITUTED ETHYLENEDIAMINE AND DIETHYLENETRIAMINE AND WATER SOLUBLE SALTS THEREOF IN AN AMOUNT TO PROVIDE A MOL RATIO OF SAID COMPOUND TO SAID SALT OF FROM ABOUT 0.5 TO 1 TO CHELATE WITH SAID METAL IONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |