US4661341A
Expired / Lapsed
US
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Oral compositions
Assignee: Procter and Gamble Co
•
Filing: 1985-09-30
•
Granted: 1987-04-28
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Expires: 2005-09-30
Abstract
Abstract Oral compositions containing as an anticalculus agent an acrylic acid polymer or copolymer having a mass average molecular weight of from about 3500 to about 7500 are described herein.
Inventors
- 👤 James J. Benedict
- 👤 Richard J. Sunberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:24
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61K8/02; A61K8/0216; A61Q; A61Q11/00
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
82 words
An oral composition effective in reducing calculus comprising: (a) a safe and effective amount of an anticalculus agent selected from the group consisting of polyacrylic acid polymers, ##STR3## copolymers of acrylic acid and another monomer and mixtures thereof; and (b) a pharmaceutically acceptable carrier selected from the group consisting of toothpastes, mouthwashes, chewing gums, and lozenges wherein said anticalculus agent has a mass average molecular weight of from about 3500 to about 7500 and M is an alkali metal, ammonium, or hydrogen.
Claim 2
Dependent Claim
82 words
An oral composition effective in reducing calculus comprising: (a) a safe and effective amount of an anticalculus agent selected from the group consisting of polyacrylic acid polymers, ##STR3## copolymers of acrylic acid and another monomer and mixtures thereof; and (b) a pharmaceutically acceptable carrier selected from the group consisting of toothpastes, mouthwashes, chewing gums, and lozenges wherein said anticalculus agent has a mass average molecular weight of from about 3500 to about 7500 and M is an alkali metal, ammonium, or hydrogen.
Claim 3
Dependent Claim
20 words
An oral composition according to claim 1 wherein the amount of anticalculus agent is from about 2.5% to about 20%.
Claim 4
Dependent Claim
22 words
An oral composition according to claim 2 wherein the molecular weight of the anticalculus agent is from about 4000 to about 5500.
Claim 5
Dependent Claim
35 words
An oral composition according to claim 1 wherein the copolymer comprises 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 6
Dependent Claim
13 words
An oral composition according to claim 4 in the form of a toothpaste.
Claim 7
Dependent Claim
19 words
An oral composition according to claim 5 which contains from about 3% to about 10% of the anticalculus agent.
Claim 8
Dependent Claim
27 words
An oral composition according to claim 6 wherein the anticalculus agent is a polyacrylic acid polymer having a molecular weight of from about 4300 to about 5200.
Claim 9
Dependent Claim
13 words
An oral composition according to claim 7 which contains a silica dental abrasive.
Claim 10
Dependent Claim
15 words
An oral composition according to claim 8 which in addition contains a soluble fluoride source.
Claim 11
Dependent Claim
13 words
An oral composition according to claim 1 in the form of a mouthwash.
Claim 12
Dependent Claim
19 words
An oral composition according to claim 10 wherein the amount of anticalculus agent is from 2.5% to about 20%.
Claim 13
Dependent Claim
22 words
An oral composition according to claim 11 wherein the molecular weight of the anticalculus agent is from about 4000 to about 5500.
Claim 14
Dependent Claim
16 words
An oral composition according to claim 12 wherein the anticalculus agent is a polyacrylic acid polymer.
Claim 15
Dependent Claim
15 words
An oral compositon according to claim 1 which is in the form of a lozenge.
Claim 16
Dependent Claim
16 words
An oral composition according to claim 1 which is in the form of a chewing gum.
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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) | 1990-04-27 | 1990-10-27 | 1991-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-27 | 1994-10-27 | 1995-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-27 | 1998-10-27 | 1999-04-28 | $7700.00 | Window Closed / Lapsed |