US4339431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anticalculus oral composition
Assignee: Colgate Palmolive Co
•
Filing: 1980-12-31
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Granted: 1982-07-13
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Expires: 2000-12-31
Abstract
Abstract An oral composition is disclosed containing an effective auticalculus amount of a copolymer of glutamic acid, tyrosine and optionally alanine.
Inventors
- 👤 Abdul Gaffar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:07
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/88
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
86 words
An oral dentifrice toothpaste or mouthwash composition comprising an orally acceptable vehicle containing in an effective amount as an anticalculus agent a copolymer consisting essentially of (A) n units having the molecular configuration ##STR4## (B) m units having the molecular configuration ##STR5## and (C) p units having the molecular configuration ##STR6## the ratio of (n+m):p ranging from about 5:1 to about 9.5:1 and the ratio of m:n ranging from 0:1 to about 0.6:1, the molecular weight of the copolymer ranging from about 5,000 to about 150,000.
Claim 2
Dependent Claim
86 words
An oral dentifrice toothpaste or mouthwash composition comprising an orally acceptable vehicle containing in an effective amount as an anticalculus agent a copolymer consisting essentially of (A) n units having the molecular configuration ##STR4## (B) m units having the molecular configuration ##STR5## and (C) p units having the molecular configuration ##STR6## the ratio of (n+m):p ranging from about 5:1 to about 9.5:1 and the ratio of m:n ranging from 0:1 to about 0.6:1, the molecular weight of the copolymer ranging from about 5,000 to about 150,000.
Claim 3
Dependent Claim
31 words
An oral composition according to claim 1 wherein the ratio of n:m:p in the copolymer is about 9:0:1 and the copolymer has a molecular weight of about 17,000 to about 21,000.
Claim 4
Dependent Claim
31 words
An oral composition according to claim 1 wherein the ratio of n:m:p in the copolymer is about 6:3:1 and the copolymer has a molecular weight of about 80,000 to about 100,000.
Claim 5
Dependent Claim
20 words
The oral composition of claims 1, 2 or 3 containing about 0.01% to about 10% by weight of said copolymer.
Claim 6
Dependent Claim
20 words
The oral composition of claims 1, 2 or 3 containing about 0.5% to about 5% by weight of said copolymer.
Claim 7
Dependent Claim
26 words
The oral composition of claims 1, 2 or 3 which is a mouthwash having a pH of about 4.5 to about 9 and an aqueous-alcohol vehicle.
Claim 8
Dependent Claim
34 words
The oral composition of claims 1, 2 or 3 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 9
Independent Claim
23 words
A method of improving oral hygiene comprising applying an oral composition as defined in claims 1, 2 or 3 to said dental surfaces.
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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) | 1985-07-12 | 1986-01-11 | 1986-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-12 | 1990-01-11 | 1990-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-12 | 1994-01-11 | 1994-07-13 | $7700.00 | Window Closed / Lapsed |