Patent US4622220A successfully refreshed from Google Patents.
US4622220A
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Preparation for oral hygiene
Assignee: Blendax GmbH
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Filing: 1985-02-19
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Granted: 1986-11-11
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Expires: 2005-02-19
Abstract
Abstract A composition for oral hygiene with improved efficacy against dental plaque, said composition containing zinc aspartate and/or copper aspartate, preferably in an amount of 0.05 to 5% by weight based on the total weight of the composition.
Inventors
- 👤 Franz Frosch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:39
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61Q; A61Q11/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
41 words
A toothpaste composition effective against the formation of dental plaque containing from 0.05 to 5% by weight, based on the total weight of the composition, of a member selected from the group consisting of zinc aspartate, copper aspartate and mixtures thereof.
Claim 2
Dependent Claim
41 words
A toothpaste composition effective against the formation of dental plaque containing from 0.05 to 5% by weight, based on the total weight of the composition, of a member selected from the group consisting of zinc aspartate, copper aspartate and mixtures thereof.
Claim 3
Dependent Claim
31 words
The composition of claim 1, wherein the zinc aspartate or copper aspartate is present in an amount of 0.25 to 2.5% by weight, based on the total weight of the composition.
Claim 4
Dependent Claim
23 words
A toothpaste composition according to claim 1, containing zinc aspartate and a polishing agent which is composed of more than 50% alumina hydrate.
Claim 5
Dependent Claim
24 words
A toothpaste composition according to claim 1, containing copper aspartate and a polishing agent which is composed of more than 50% of calcium carbonate.
Claim 6
Dependent Claim
23 words
A method for preventing the formation of dental plaque which comprises treating the teeth with a toothpaste composition in accordance with claim 1.
Claim 7
Dependent Claim
23 words
Aqueous toothpaste composition according to claim 1, containing copper aspartate and a polishing agent being composed to more than 50% of calcium carbonate.
Claim 8
Dependent Claim
23 words
Aqueous toothpaste composition according to claim 1, containing copper aspartate and a polishing agent being composed to more than 50% of calcium carbonate.
Claim 9
Dependent Claim
30 words
The method of claim 5 wherein the zinc aspartate or copper aspartate is present in amount of 0.25 to 2.5% by weight based on the total weight of the composition.
Claim 10
Dependent Claim
13 words
The method of claim 5 wherein the composition is an aqueous toothpaste composition.
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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) | 1989-11-10 | 1990-05-12 | 1990-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-10 | 1994-05-12 | 1994-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-10 | 1998-05-12 | 1998-11-11 | $7700.00 | Window Closed / Lapsed |