US4981875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicaments for the region of the oral cavity
Assignee: Bayer AG
•
Filing: 1988-07-22
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Granted: 1991-01-01
•
Expires: 2008-07-22
Abstract
Abstract Etofenamate is used for the preparation of compositions useful in the treatment of bacterial, viral or fungicidal inflammations in the region of the oral cavity.
Inventors
- 👤 Bernd Leusner
- 👤 Rudiger Heiss
- 👤 Bernd Pelster
- 👤 Wolfgang Fischer
- 👤 Ulrich Ohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:17
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/21; A61K31/215; A61K31/235; A61K31/24; A61K31/245; A61K9/00; A61K9/0012; A61K9/0053; A61K9/006; A61P; A61P1/00; A61P1/02; A61P31/00; A61P31/04; A61P31/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
37 words
A method for the treatment of bacterial, viral or fungicidal inflamations in the region of the oral cavity comprising applying to the region of the oral cavity an adhesive emulsion composition containing an effective amount of etofenamate.
Claim 2
Independent Claim
37 words
A method for the treatment of bacterial, viral or fungicidal inflamations in the region of the oral cavity comprising applying to the region of the oral cavity an adhesive emulsion composition containing an effective amount of etofenamate.
Claim 3
Dependent Claim
17 words
A method according to claim 1 wherein said composition contains 0.5 to 20% by weight of etofenamate.
Claim 4
Dependent Claim
39 words
An adhesive emulsion composition useful in the treatment of bacterial, viral or fungicial inflamations in the region of the oral cavity comprising an effective amount of etofenamate, a suitable carrier and a swellable hydrophilic natural, semi-synthetic or synthetic polymer.
Claim 5
Dependent Claim
39 words
An adhesive emulsion composition useful in the treatment of bacterial, viral or fungicial inflamations in the region of the oral cavity comprising an effective amount of etofenamate, a suitable carrier and a swellable hydrophilic natural, semi-synthetic or synthetic polymer.
Claim 6
Dependent Claim
14 words
A composition according to claim 3, comprising 0.5 to 20% by weight of etofenamate.
Claim 7
Dependent Claim
56 words
A composition according to claim 3, wherein said hydrophilic natural, semi-synthetic or synthetic polymer is gelatin, pectin, alginic acid, sodium alginate, polymannuronic acid obtained from brown algae or the alkaline metal salts thereof, gum arabic, tragacanth, galactomannan, karaya gum, a cellulose ether, polymethacrylic acid and the salts thereof, polymethylmethacrylic acid and the salts thereof or polyvinylpyrrolidone.
Claim 8
Dependent Claim
32 words
A composition according to claim 3, comprising 1 to 10 parts by weight of etofenamate, 1 to 20 parts by weight of swelling agent, 60 to 90 parts by weight of water.
Claim 9
Dependent Claim
13 words
A composition according to claim 3, comprising water and one or more alcohols.
Claim 10
Dependent Claim
46 words
A process for the preparation of an adhesive emulsion composition according to claim 3, comprising mixing etofenamate with the liquid components of the composition, homogenizing the mixture of etofenamate and liquid components at 30 to 70° C. and then introducing the solid components of the composition.
Claim 11
Dependent Claim
27 words
A process according to claim 8, wherein the liquid components comprise water and alcohols and the solid components comprising a swellable, hydrophilic, natural, semi-synthetic or synthetic polymer.
References Cited (Backward Citations)
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US4623346A
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US4627852A
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US4789667A
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US4772470A
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US4871767A
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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) | 1993-12-31 | 1994-07-02 | 1995-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-31 | 1998-07-02 | 1999-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-31 | 2002-07-02 | 2003-01-01 | $7700.00 | Window Closed / Lapsed |