US5571519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organoleptically stable denture cleanser tablets
Assignee: Block Drug Co Inc
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Filing: 1994-12-13
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Granted: 1996-11-05
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Expires: 2014-12-13
Abstract
Abstract Denture cleanser tablet compositions are disclosed which include a flavoring agent in one layer and a bleaching agent in a second layer. This arrangement avoids deterioration of the tablet flavor and taste during storage.
Inventors
- 👤 Joseph Synodis
- 👤 Robert C. Gasman
- 👤 Frank Mazzella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:42
CPC Classifications
A; A61; A61Q; A61Q11/00; A61Q11/02; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/18; A61K8/19; A61K8/22; A61K8/30; A61K8/64; A61K8/66; A61K2800/00; A61K2800/80; A61K2800/88
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
72 words
A multilayer denture cleanser tablet composition having at least two layers, containing a flavoring effective amount of a flavoring agent and a bleaching effective amount of a bleaching agent, the flavoring agent and bleaching agent being kept apart such that the flavoring agent is located in a first layer and the bleaching agent is located in a second, separate layer, whereby deterioration of the flavoring agent by the bleaching agent is reduced.
Claim 2
Dependent Claim
72 words
A multilayer denture cleanser tablet composition having at least two layers, containing a flavoring effective amount of a flavoring agent and a bleaching effective amount of a bleaching agent, the flavoring agent and bleaching agent being kept apart such that the flavoring agent is located in a first layer and the bleaching agent is located in a second, separate layer, whereby deterioration of the flavoring agent by the bleaching agent is reduced.
Claim 3
Dependent Claim
26 words
The composition of claim 1, wherein the flavoring agent is selected from the group consisting of mint oil, menthol, oil of wintergreen and a citrus flavor.
Claim 4
Dependent Claim
19 words
The composition of claim 2, wherein the mint oil is selected from the group consisting of peppermint and spearmint.
Claim 5
Dependent Claim
20 words
The composition of claim 2, wherein the citrus flavor is selected from the group consisting of lemon, lime and orange.
Claim 6
Dependent Claim
21 words
The composition of claim 1, wherein the flavoring effective amount of the flavoring agent is between about 0.05% to about 4%.
Claim 7
Dependent Claim
20 words
The composition of claim 5, wherein the flavoring effective amount of the flavoring agent is between about 0.1% to 2%.
Claim 8
Dependent Claim
26 words
The composition of claim 1, wherein the bleaching agent is selected from the group consisting of a peroxygen bleach and a chlorine or hypochlorite generating compound.
Claim 9
Dependent Claim
20 words
The composition of claim 1, wherein the effective amount of the bleaching agent is between about 1% to about 80%.
Claim 10
Dependent Claim
20 words
The composition of claim 8, wherein the effective amount of the bleaching agent is between about 5% to about 55%.
Claim 11
Dependent Claim
19 words
The composition of claim 1 wherein an enzymatic effective amount of an enzyme is located in a third layer.
Claim 12
Dependent Claim
64 words
A multilayer, enzymatic denture cleanser tablet composition, comprising a first layer containing a flavoring effective amount of a flavoring agent, and a second, separate layer containing a bleaching effective amount of a bleaching agent and an enzymatic effective amount of an enzyme, wherein all the enzyme is located in the second layer and all of the flavoring agent is located in the first layer.
Claim 13
Dependent Claim
64 words
A multilayer, enzymatic denture cleanser tablet composition, comprising a first layer containing a flavoring effective amount of a flavoring agent, and a second, separate layer containing a bleaching effective amount of a bleaching agent and an enzymatic effective amount of an enzyme, wherein all the enzyme is located in the second layer and all of the flavoring agent is located in the first layer.
Claim 14
Dependent Claim
27 words
The composition of claim 11, wherein the flavoring agent is selected from the group consisting of a mint oil, menthol, oil of wintergreen and a citrus flavor.
Claim 15
Dependent Claim
19 words
The composition of claim 12, wherein the mint oil is selected from the group consisting of peppermint and spearmint.
Claim 16
Dependent Claim
20 words
The composition of claim 12, wherein the citrus flavor is selected from the group consisting of lemon, lime and orange.
Claim 17
Dependent Claim
20 words
The composition of claim 11, wherein the effective amount of the flavoring agent in between about 0.05% to about 4%.
Claim 18
Dependent Claim
19 words
The composition of claim 15, wherein the effective amount of the flavoring agent in between about 0.4% to 1%.
Claim 19
Dependent Claim
26 words
The composition of claim 11, wherein the bleaching agent is selected from the group consisting of a peroxygen bleach and a chlorine or hypochlorite generating compound.
Claim 20
Dependent Claim
20 words
The composition of claim 11, wherein the effective amount of the bleaching agent is between about 1% to about 80%.
Claim 21
Dependent Claim
20 words
The composition of claim 18, wherein the effective amount of the bleaching agent is between about 5% to about 55%.
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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) | 1999-11-05 | 2000-05-06 | 2000-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-05 | 2004-05-06 | 2004-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-05 | 2008-05-06 | 2008-11-05 | $7700.00 | Window Closed / Lapsed |