Patent US4472373A successfully refreshed from Google Patents.
US4472373A
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Oral compositions
Assignee: Procter and Gamble Co
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Filing: 1983-05-09
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Granted: 1984-09-18
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Expires: 2003-05-09
Abstract
Abstract Oral compositions such as toothpastes, mouthwashes, lozenges and chewing gum containing an antimicrobial agent which is effective against plaque/gingivitis and mouth odor are disclosed.
Inventors
- 👤 Leslie D. Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:22
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/14; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4926; A61Q; A61Q11/00; A61Q15/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
87 words
In a method of inhibiting gingivitis and gingival bleeding more effectively relative to a 35% reduction of bleeding gingival sites obtained with N-cetylpyridinium chloride, the improvement comprising the step of contacting the bleeding gingival sites of the oral cavity with an effective amount of a composition comprising a flavored alcoholic solution carrier suitable for use in the oral cavity and a safe and effective amount of at least 0.075% by weight of an antimicrobial selected from the group consisting of N-tetradecylpyridinium salts, N-tetradecyl-4-ethylpyridinium salts and mixtures thereof.
Claim 2
Dependent Claim
87 words
In a method of inhibiting gingivitis and gingival bleeding more effectively relative to a 35% reduction of bleeding gingival sites obtained with N-cetylpyridinium chloride, the improvement comprising the step of contacting the bleeding gingival sites of the oral cavity with an effective amount of a composition comprising a flavored alcoholic solution carrier suitable for use in the oral cavity and a safe and effective amount of at least 0.075% by weight of an antimicrobial selected from the group consisting of N-tetradecylpyridinium salts, N-tetradecyl-4-ethylpyridinium salts and mixtures thereof.
Claim 3
Dependent Claim
13 words
A method according to claim 1 wherein the antimicrobial is a N-tetradecylpyridinium salt.
Claim 4
Dependent Claim
14 words
A method according to claim 2 wherein the antimicrobial is a N-tetradecyl-4-ethyl pyridinium salt.
Claim 5
Dependent Claim
24 words
A method according to claim 3 wherein the N-tetradecyl-4-ethyl pyridinium salt is selected from the group consisting of fluoride, chloride, bromide and iodide salts.
Claim 6
Dependent Claim
28 words
A method according to claim 3 wherein said composition is in the form of both alcohol and water and is employed to provide significant reduction of mouth odor.
References Cited (Backward Citations)
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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) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |