US4259316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oral composition for caries prophylaxis
Assignee: Lion Corp
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Filing: 1979-09-28
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Granted: 1981-03-31
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Expires: 1999-09-28
Abstract
Abstract An oral composition for caries prophylaxis which comprises 0.04 to 10% by weight of stannous fluoride and not less than 0.1% by weight of a phytic acid compound, the molar ratio of the phytic acid compound to stannous fluoride being in the range of from 0.01:1 to 4:1 and the composition being acidic, is effective in inhibiting dental caries and shows a prolonged effect after application. The oral composition may be used as mouthwashes, oral bands, topical solutions, cavity sealers, prophylactic pastes, dentifrices, dental flosses and the like.
Inventors
- 👤 Syozi Nakashima
- 👤 Tosiyuki Ozawa
- 👤 Takashi Ujiie
- 👤 Takeshi Naganuma
- 👤 Satoshi Hayashi
- 👤 Yoshihito Ochiai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K33/00; A61K33/16; A61K33/24; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/30; A61K8/55; A61P; A61P1/00; A61P1/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
77 words
An oral composition for caries prophylaxis comprising stannous fluoride and a phytic acid compound, the content of stannous fluoride being 0.1 to 4% by weight of the total amount of the composition, the content of the phytic acid compound being 0.5 to 10% by weight of the total amount of the composition, the molar ratio of the phytic acid compound to stannous fluoride being in the range of from 0.025:1 to 2.5:1, and the composition being acidic.
Claim 2
Dependent Claim
77 words
An oral composition for caries prophylaxis comprising stannous fluoride and a phytic acid compound, the content of stannous fluoride being 0.1 to 4% by weight of the total amount of the composition, the content of the phytic acid compound being 0.5 to 10% by weight of the total amount of the composition, the molar ratio of the phytic acid compound to stannous fluoride being in the range of from 0.025:1 to 2.5:1, and the composition being acidic.
Claim 3
Dependent Claim
17 words
The oral composition according to claim 1, wherein the composition has a pH of 2 to 6.
Claim 4
Dependent Claim
17 words
The oral composition according to claim 2, wherein the composition has a pH of 2 to 5.5.
Claim 5
Dependent Claim
37 words
The oral composition according to claim 1, wherein the phytic acid compound is selected from the group consisting of phytic acid, sodium phytate, potassium phytate, lithium phytate, magnesium phytate, calcium phytate, phytin, ammonium phytate, and mixtures thereof.
Claim 6
Dependent Claim
36 words
The oral composition according to claim 1, wherein the content of stannous fluoride is 0.3 to 4% by weight of the total amount of the composition and the pH of the composition is 2 to 5.5.
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) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |