US4871531A
Expired / Lapsed
US
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Oral compositions
Assignee: Procter and Gamble Co
•
Filing: 1986-12-18
•
Granted: 1989-10-03
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Expires: 2006-12-18
Abstract
Abstract Oral compositions containing an acrylic acid polymer or copolymer, a soluble fluoride ion source and a strontium ion source are described herein.
Inventors
- 👤 Gregory R. Hartlaub
- 👤 Melvin A. Barbera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:36
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/72; A61K8/73; A61K8/731; A61K8/81; A61K8/8141; A61K8/8147; A61Q; A61Q11/00
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
73 words
An oral composition in the form of a toothpaste, mouthwash, topical dental gel, lozenge or chewing gum comprising: (a) a safe and effective amount of a polymer selected from the group consisting of polyacrylic acid polymers, copolymers of acrylic acid and mixtures thereof; (b) a safe and effective amount of a soluble strontium ion source; (c) a safe and effective amount of a soluble fluoride ion source; and (d) a pharmaceutically acceptable carrier.
Claim 2
Dependent Claim
73 words
An oral composition in the form of a toothpaste, mouthwash, topical dental gel, lozenge or chewing gum comprising: (a) a safe and effective amount of a polymer selected from the group consisting of polyacrylic acid polymers, copolymers of acrylic acid and mixtures thereof; (b) a safe and effective amount of a soluble strontium ion source; (c) a safe and effective amount of a soluble fluoride ion source; and (d) a pharmaceutically acceptable carrier.
Claim 3
Dependent Claim
36 words
An oral composition according to claim 1 wherein (a) is a copolymer of acrylic acid and a monomer selected from the group consisting of methacrylic acid, 2-hydroxypropyl acrylate, 3-hydroxypropyl acrylate, 3-hydroxypropyl methacrylate, acrylamide and mixtures thereof.
Claim 4
Dependent Claim
27 words
An oral composition according to claim 1 wherein (a) is a polyacrylic acid polymer and is present at a level of from about 0.0003% to about 13%.
Claim 5
Dependent Claim
15 words
An oral composition according to claim 3 wherein the pharmaceutically acceptable carrier is a toothpaste.
Claim 6
Dependent Claim
31 words
An oral composition according to claim 4 wherein the soluble strontium ion source is present at a level of from about 2 to about 10,000 ppm Sr ++ in the composition.
Claim 7
Dependent Claim
23 words
An oral composition according to claim 5 wherein the polyacrylic acid polymer has a molecular weight of from about 1000 to about 1,200,000.
Claim 8
Dependent Claim
14 words
An oral composition according to claim 6 which also contains a silica dental abrasive.
Claim 9
Dependent Claim
35 words
An oral composition according to claim 7 wherein the soluble fluoride ion source is sodium fluoride present at a level sufficient to give from about 25 to about 5000 ppm F - in the composition.
Claim 10
Dependent Claim
15 words
An oral composition according to claim 1 wherein the pharmaceutically acceptable carrier is a mouthwash.
Claim 11
Dependent Claim
17 words
An oral composition according to claim 1 wherein the pharmaceutically acceptable carrier is a topical dental gel.
Claim 12
Dependent Claim
27 words
An oral composition according to claim 9 wherein (a) is a polyacrylic acid polymer and is present at a level of from about 0.001% to about 13%.
Claim 13
Dependent Claim
29 words
An oral composition according to claim 11 wherein the soluble strontium ion source is present at a level of from about 2 to about 10,000 ppm in the composition.
Claim 14
Dependent Claim
35 words
An oral composition according to claim 12 wherein the soluble fluoride ion source is sodium fluoride present at a level sufficient to give from about 25 to about 5000 ppm F - in the composition.
Claim 15
Dependent Claim
15 words
An oral composition according to claim 1 wherein the pharmaceutically acceptable carrier is a lozenge.
Claim 16
Dependent Claim
16 words
An oral composition according to claim 1 wherein the pharmaceutically acceptable carrier is a chewing gum.
Claim 17
Dependent Claim
25 words
A method of applying fluoride to tooth enamel/dentin comprising applying a safe and effective amount of the composition according to claim 1 to the enamel/dentin.
Claim 18
Dependent Claim
14 words
A method according to claim 16 wherein the composition is according to claim 4.
Claim 19
Dependent Claim
14 words
A method according to claim 16 wherein the composition is according to claim 8.
Claim 20
Dependent Claim
14 words
A method according to claim 16 wherein the composition is according to claim 9.
Claim 21
Dependent Claim
14 words
A method according to claim 16 wherein the composition is according to claim 10.
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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) | 1992-10-02 | 1993-04-03 | 1993-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-02 | 1997-04-03 | 1997-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-02 | 2001-04-03 | 2001-10-03 | $7700.00 | Window Closed / Lapsed |