US5037634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oral compositions containing stabilized copper
Assignee: Chesebrough Ponds USA Inc
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Filing: 1990-08-16
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Granted: 1991-08-06
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Expires: 2010-08-16
Abstract
Abstract An oral composition is provided having exceptional anti-plaque action, the composition comprising a bicarbonate salt, a copper compound and a complexing agent to stabilize the copper.
Inventors
- 👤 David R. Williams
- 👤 Alexander G. Ziemkiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:45
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/30; A61K8/40; A61K8/41; A61P; A61P1/00; A61P1/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
75 words
An aqueous oral hygiene toothpaste, gel, mouthwash or rinse composition comprising: (i) from about 0.5 to about 80% of a bicarbonate salt; (ii) a copper compound present in an amount to provide from about 1 to about 2000 ppm copper calculated as copper metal; and (iii) a complexing agent present in an amount from about 0.01 to about 20% by weight, said complexing agent being selected from the group consisting of ammonia, alkylamines and alkanolamines.
Claim 2
Dependent Claim
75 words
An aqueous oral hygiene toothpaste, gel, mouthwash or rinse composition comprising: (i) from about 0.5 to about 80% of a bicarbonate salt; (ii) a copper compound present in an amount to provide from about 1 to about 2000 ppm copper calculated as copper metal; and (iii) a complexing agent present in an amount from about 0.01 to about 20% by weight, said complexing agent being selected from the group consisting of ammonia, alkylamines and alkanolamines.
Claim 3
Dependent Claim
14 words
An oral composition according to claim 1, wherein said complexing agent is an alkanolamine.
Claim 4
Dependent Claim
13 words
An oral composition according to claim 1, wherein the complexing agent is ammonia.
Claim 5
Dependent Claim
19 words
An oral composition according to claim 1, wherein the amount of bicarbonate ranges from 8 to 20% by weight.
Claim 6
Dependent Claim
25 words
An oral composition according to claim 1, wherein the bicarbonate salt is selected from the group consisting of sodium bicarbonate, potassium bicarbonate and mixtures thereof.
Claim 7
Dependent Claim
25 words
An oral composition according to claim 1, wherein the copper compound is selected from the group consisting of copper sulphate, copper chloride and copper bromide.
Claim 8
Dependent Claim
14 words
An oral composition according to claim 1, wherein the composition is in toothpaste form.
Claim 9
Dependent Claim
14 words
An oral composition according to claim 1, wherein the composition is in mouthwash form.
Claim 10
Independent Claim
72 words
A method for reducing plaque on teeth in an oral cavity comprising contacting said teeth with a toothpaste, gel, mouthwash or rinse composition comprising from about 0.5 to about 80% bicarbonate salt, from about 1 to about 2000 ppm calculated as copper metal of a copper compound and from about 0.01 to about 20% by weight of a complexing agent which is selected from the group consisting of ammonia, alkylamines and alkanolamines.
Claim 11
Independent Claim
72 words
A method for reducing plaque on teeth in an oral cavity comprising contacting said teeth with a toothpaste, gel, mouthwash or rinse composition comprising from about 0.5 to about 80% bicarbonate salt, from about 1 to about 2000 ppm calculated as copper metal of a copper compound and from about 0.01 to about 20% by weight of a complexing agent which is selected from the group consisting of ammonia, alkylamines and alkanolamines.
Claim 12
Dependent Claim
13 words
A method according to claim 9, wherein said complexing agent is an alkanolamine.
Claim 13
Dependent Claim
12 words
A method according to claim 9, wherein the complexing agent is ammonia.
Claim 14
Dependent Claim
18 words
A method according to claim 9, wherein the amount of bicarbonate ranges from 8 to 20% by weight.
Claim 15
Dependent Claim
24 words
A method according to claim 9, wherein the bicarbonate salt is selected from the group consisting of sodium bicarbonate, potassium bicarbonate and mixtures thereof.
Claim 16
Dependent Claim
24 words
A method according to claim 9, wherein the copper compound is selected from the group consisting of copper sulphate, copper chloride and copper bromide.
Claim 17
Dependent Claim
13 words
A method according to claim 9, wherein the composition is in toothpaste form.
Claim 18
Dependent Claim
13 words
A method according to claim 9, wherein the composition is in mouthwash form.
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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) | 1994-08-05 | 1995-02-04 | 1995-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-05 | 1999-02-04 | 1999-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-05 | 2003-02-04 | 2003-08-06 | $7700.00 | Window Closed / Lapsed |