US4701319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothpaste compositions
Assignee: Procter and Gamble Co
•
Filing: 1984-09-14
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Granted: 1987-10-20
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Expires: 2004-09-14
Abstract
Abstract Toothpastes are disclosed which contain water, humectant, a dentifrice abrasive, a carboxyvinyl polymer and carrageenan.
Inventors
- 👤 Ricky A. Woo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61K8/19; A61K8/20; A61K8/21; A61K8/24; A61K8/25; A61K8/81; A61K8/8141; A61K8/8147; A61Q; A61Q11/00; A61K2800/00; A61K2800/20; A61K2800/28; A61K2800/40; A61K2800/59; A61K2800/594; A61K2800/80; A61K2800/92
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
90 words
A toothpaste composition comprising: a. from about 6% to about 35% of a silica dental abrasive; b. from about 20% to about 70% of a humectant; c. from about 0.01% to about 0.8% of a carboxyvinyl polymer; d. from about 0.1% to about 1.7% of an iota form carrageenan; and e. q.s. 100% water; said composition providing a pH of from about 6.0 to about 8.0 when slurried with water in a 3:1 water:composition weight ratio and the weight ratio of carrageenan:carboxyvinyl polymer is from about 100:1 to about 1.2:1.
Claim 2
Dependent Claim
90 words
A toothpaste composition comprising: a. from about 6% to about 35% of a silica dental abrasive; b. from about 20% to about 70% of a humectant; c. from about 0.01% to about 0.8% of a carboxyvinyl polymer; d. from about 0.1% to about 1.7% of an iota form carrageenan; and e. q.s. 100% water; said composition providing a pH of from about 6.0 to about 8.0 when slurried with water in a 3:1 water:composition weight ratio and the weight ratio of carrageenan:carboxyvinyl polymer is from about 100:1 to about 1.2:1.
Claim 3
Dependent Claim
31 words
A toothpaste composition according to claim 1 wherein the amount of abrasive is from about 15% to about 25% and the amount of humectant is from about 30% to about 65%.
Claim 4
Dependent Claim
32 words
A toothpaste composition according to claim 2 wherein the amount of carboxyvinyl polymer is from about 0.1% to about 0.5% and the amount of carrageenan is from about 0.25% to about 0.75%.
Claim 5
Dependent Claim
22 words
A toothpaste composition according to claim 3 wherein the humectant is selected from the group consisting of sorbitol, glycerine and mixtures thereof.
Claim 6
Dependent Claim
17 words
A toothpaste composition according to claim 1 wherein and the composition also contains a soluble fluoride source.
Claim 7
Dependent Claim
26 words
A toothpaste composition according to claim 5 wherein the soluble fluoride source is selected from the group consisting of sodium fluoride, stannous fluoride and mixtures thereof.
Claim 8
Dependent Claim
32 words
A toothpaste composition according to claim 6 wherein the amount of carboxyvinyl polymer is from about 0.1% to about 0.5% and the amount of carrageenan is from about 0.25% to about 0.75%.
Claim 9
Dependent Claim
15 words
A toothpaste composition according to claim 7 wherein the silica abrasive is a precipitated silica.
Claim 10
Dependent Claim
15 words
A toothpaste composition according to claim 8 wherein the soluble fluoride source is sodium fluoride.
Claim 11
Dependent Claim
13 words
A toothpaste composition according to claim 1 which also contains an anti-calculus agent.
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) | 1990-10-19 | 1991-04-20 | 1991-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-19 | 1995-04-20 | 1995-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-19 | 1999-04-20 | 1999-10-20 | $7700.00 | Window Closed / Lapsed |