US4490269A
Expired / Lapsed
US
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Effervescent denture cleaning composition comprising monoperphthalate
Assignee: Warner Lambert Co LLC
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Filing: 1984-01-13
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Granted: 1984-12-25
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Expires: 2004-01-13
Abstract
Abstract A denture cleansing composition comprising an effervescent agent and as a bleaching agent a monoperphthalate or a potassium monopersulfate and a monoperphthalate.
Inventors
- 👤 Andrew R. Gallopo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:03
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0052; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/38; A61Q; A61Q11/00; A61Q11/02; A61K2800/00; A61K2800/20; A61K2800/22; A61K2800/222
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
32 words
An effervescent denture cleansing composition, which comprises; an effervescent agent and a monoperphthalate as the bleaching agent in an amount of about 12% to about 70% by weight of the overall composition.
Claim 2
Dependent Claim
32 words
An effervescent denture cleansing composition, which comprises; an effervescent agent and a monoperphthalate as the bleaching agent in an amount of about 12% to about 70% by weight of the overall composition.
Claim 3
Dependent Claim
12 words
The composition according to claim 1 wherein the monoperphthalate is magnesium monoperphthalate.
Claim 4
Dependent Claim
14 words
The composition of claim 1 wherein the effervescent agent comprises an anhydrous perborate salt.
Claim 5
Dependent Claim
24 words
The composition of claim 3 wherein the anhydrous perborate salt is an anhydrous sodium perborate, calcium perborate, ammonium perborate, magnesium perborate and potassium perborate.
Claim 6
Dependent Claim
20 words
The composition according to claim 1 wherein a perborate monohydrate salt is incorporated into the composition as the effervescent agent.
Claim 7
Dependent Claim
14 words
The composition according to claim 5 wherein the perborate monohydrate is sodium perborate monohydrate.
Claim 8
Dependent Claim
22 words
The composition according to claim 1 wherein an additional bleaching agent comprising a water soluble monopersulfate salt is included in the composition.
Claim 9
Dependent Claim
13 words
The composition according to claim 7 wherein the monopersulfate salt is potassium monopersulfate.
Claim 10
Dependent Claim
21 words
The composition according to claim 1 wherein the effervescent agent comprises a water soluble organic acid and a water soluble bicarbonate.
Claim 11
Dependent Claim
20 words
The composition according to claim 9 wherein the water soluble organic acid is citric acid, tartaric acid or succinic acid.
Claim 12
Dependent Claim
17 words
The composition according to claim 9 wherein the bicarbonate is sodium bicarbonate, ammonium bicarbonate or potassium bicarbonate.
Claim 13
Dependent Claim
30 words
The composition according to claim 1 wherein sodium carbonate is present, in a amount sufficient so that a solution of the composition has a pH of about 6.5 to 11.0.
Claim 14
Dependent Claim
25 words
The composition according to claim 12 wherein the amount of sodium carbonate is sufficient so that the solution pH is about 7.0 to about 9.0.
Claim 15
Dependent Claim
12 words
The composition according to claim 1 wherein a sequestering agent is included.
Claim 16
Dependent Claim
17 words
The composition according to claim 14 wherein the sequestering agent is sodium tripolyphosphate or ethylenediamene tetracetic acid.
Claim 17
Dependent Claim
23 words
The composition according to claim 1 wherein the monoperphthalate is present at about 20% to about 45% by weight of the overall composition.
Claim 18
Dependent Claim
20 words
The composition according to claim 7 wherein the weight ratio of monopersulfate to monoperphthalate is about 8:1 to about 1:1.
Claim 19
Dependent Claim
20 words
The composition according to claim 17 wherein the weight ratio of monopersulfate to monoperphthalate is about 6:1 to about 1:1.
Claim 20
Dependent Claim
26 words
The composition according to claim 1 wherein the sequestering agent is sodium tripolyphosphate utilized at about 5% to about 30% by weight of the overall composition.
Claim 21
Dependent Claim
20 words
The composition according to claim 1 wherein the bleaching agent is a mixture of magnesium monoperphthalate and a potassium monpersulfate.
Claim 22
Dependent Claim
40 words
The composition according to claim 20 wherein the magnesium monoperphthalate is present at about 15% to about 60% by weight based on the overall composition and the weight ratio of monopersulfate to magnesium monoperphthalate is about 6:1 to about 1:1.
Claim 23
Dependent Claim
30 words
The composition according to claim 1 wherein the effervescent agent is an anhydrous perborate salt or a mixture of a water soluble organic acid and a water soluble bicarbonate salt.
Claim 24
Dependent Claim
43 words
The composition according to claim 22 wherein the anhydrous perborate is an anhydrous sodium perborate, ammonium perborate, potassium perborate, calcium perborate and magnesium perborate and is included in the composition at about 10% to about 20% by weight based on the overall composition.
Claim 25
Dependent Claim
45 words
The composition according to claim 22 wherein the effervescent agent is a mixture of an organic acid and a bicarbonate salt wherein the organic acid is citric acid, succinic acid or tartaric acid and the bicarbonate salt is sodium bicarbonate, ammonium bicarbonate or potassium bicarbonate.
Claim 26
Dependent Claim
34 words
The composition according to claim 24 wherein the organic acid and bicarbonate are present in substantially equimolar quantities and the mixture is present in the composition at about 22% to about 30% by weight.
Claim 27
Dependent Claim
44 words
The composition according to claim 1 wherein the sodium carbonate is included in the composition at about 2% to about 10% and is present in an effective amount so that a solution of the composition exhibits a pH of about 6.0 to about 11.0.
Claim 28
Dependent Claim
39 words
The composition according to claim 26 wherein the effervescent agent is an anhydrous perborate salt and the sodium carbonate is present in amount sufficient to adjust the pH of a solution of the composition to about 6.5 to 11.0.
Claim 29
Dependent Claim
35 words
The composition according to claim 1 wherein the pressing aid is a polymeric tetrafluorocarbon, polyvinyl pyrrolidone, a water soluble ethoxylated alcohol, a water soluble ethoxylated phenol, a water soluble ethoxylated organic acid or mixtures thereof.
Claim 30
Dependent Claim
28 words
The composition according to claim 28 wherein the pressing aid is included in the composition at about 0.3% to about 0.8% by weight based on the overall composition.
Claim 31
Dependent Claim
63 words
A denture cleansing composition, which comprises; (a) About 12% to about 70% by weight of a monoperphthalate as the bleaching agent; (b) about 5% to about 30% by weight of a sequestering agent; (c) about 0.1% to about 1.0% by weight of a pressing aid; (d) about 2% to about 40% by weight of sodium carbonate, and (e) remainder being an effervescent agent.
Claim 32
Dependent Claim
63 words
A denture cleansing composition, which comprises; (a) About 12% to about 70% by weight of a monoperphthalate as the bleaching agent; (b) about 5% to about 30% by weight of a sequestering agent; (c) about 0.1% to about 1.0% by weight of a pressing aid; (d) about 2% to about 40% by weight of sodium carbonate, and (e) remainder being an effervescent agent.
Claim 33
Dependent Claim
32 words
The composition according to claim 30 wherein the bleaching agent is a mixture of monoperphthalate and potassium monopersulphate, wherein the weight ratio of monopersulfate to monoperphthalate is about 8:1 to about 1:1.
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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) | 1987-12-25 | 1988-06-25 | 1988-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-25 | 1992-06-25 | 1992-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-25 | 1996-06-25 | 1996-12-25 | $7700.00 | Window Closed / Lapsed |