US4427652A
Expired / Lapsed
US
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Antigingivitis composition
Assignee: Colgate Palmolive Co
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Filing: 1981-12-03
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Granted: 1984-01-24
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Expires: 2001-12-03
Abstract
Abstract A novel vinyl phosphonic acid/vinyl phosphonyl fluoride copolymer, and oral compositions containing the same, are disclosed having antigingivitis activity.
Inventors
- 👤 Abdul Gaffar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:24
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K31/00; A61K31/74; A61K31/80; A61K8/00; A61K8/18; A61K8/72; A61K8/81; C; C08; C08F; C08F8/00; C08F8/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
44 words
An oral composition adapted to inhibit symptoms of gingivitis comprising an oral vehicle and an effective antigingivitis amount of a water soluble copolymer composed predominantly of: ##STR4## the ratio of (A) units (n) to (B) units (m) ranging from about 2:1 to about 25:1.
Claim 2
Dependent Claim
44 words
An oral composition adapted to inhibit symptoms of gingivitis comprising an oral vehicle and an effective antigingivitis amount of a water soluble copolymer composed predominantly of: ##STR4## the ratio of (A) units (n) to (B) units (m) ranging from about 2:1 to about 25:1.
Claim 3
Dependent Claim
20 words
A composition according to claim 1 said copolymer having a number average molecular weight of about 2,000 to about 50,000.
Claim 4
Dependent Claim
25 words
A composition according to claim 1 wherein the ratio of (A) units in said copolymer to (B) units is in said copolymer is about 4:1.
Claim 5
Dependent Claim
24 words
A composition according to claim 1 wherein the ratio of (A) units in said copolymer to (B) units in said copolymer is about 9:1.
Claim 6
Dependent Claim
24 words
A composition according to claim 1 wherein the ratio of (A) units in said copolymer to (B) units in said copolymer is about 19:1.
Claim 7
Dependent Claim
20 words
The oral composition of any one of claims 1-5 containing about 0.01% to about 10% by weight of said copolymer.
Claim 8
Dependent Claim
20 words
The oral composition of any one of claims 1-5 containing about 0.5% to about 5% by weight of said copolymer.
Claim 9
Dependent Claim
26 words
The oral composition of any one of claims 1-5 which is a mouthwash having a pH of about 4.5 to about 9 and an aqueous-alcohol vehicle.
Claim 10
Dependent Claim
34 words
The oral composition of any one of claims 1-5 which is a toothpaste having a pH of about 4.5 to about 9, a liquid vehicle, a gelling agent and a dentally acceptable polishing agent.
Claim 11
Independent Claim
28 words
A method of improving oral hygiene comprising applying to the oral cavity an effective antigingivitis amount of an oral composition as defined in any one of claims 1-5.
References Cited (Backward Citations)
US3914406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-23 | 1987-07-25 | 1988-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-23 | 1991-07-25 | 1992-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-23 | 1995-07-25 | 1996-01-24 | $7700.00 | Window Closed / Lapsed |