Patent US4446140A successfully refreshed from Google Patents.
US4446140A
Expired / Lapsed
US
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Method and composition for treating mouth pain
Assignee: Whitby Research Inc
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Filing: 1982-03-29
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Granted: 1984-05-01
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Expires: 2002-03-29
Abstract
Abstract A method for treating mouth pain by administering to a human having such pain an effective mouth pain reducing amount of dextromethorphan, preferably as the hydrobromide.
Inventors
- 👤 Eric L. Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
A; A61; A61K; A61K45/00; A61K45/06; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485; A61K31/60
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
34 words
A method of temporarily reducing pain and discomfort associated with mouth pain comprising administering to a human having mouth pain an effective mouth pain reducing amount of dextromethorphan or a pharmaceutically acceptable salt thereof.
Claim 2
Independent Claim
34 words
A method of temporarily reducing pain and discomfort associated with mouth pain comprising administering to a human having mouth pain an effective mouth pain reducing amount of dextromethorphan or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim
23 words
The method of claim 1 wherein the dextromethorphan is administered in a daily dosage regimen of about 5 mg to about 500 mg.
Claim 4
Dependent Claim
23 words
The method of claim 1 wherein the dextromethorphan is administered in a daily dosage regimen of about 10 mg to about 200 mg.
Claim 5
Dependent Claim
17 words
The method of claim 1 wherein the dextromethorphan is administered in the form of its hydrobromide salt.
Claim 6
Dependent Claim
12 words
The method of claim 4 wherein the dextromethorphan hydrobromide is administered orally.
Claim 7
Dependent Claim
29 words
The method of claim 1 wherein the dextromethorphan is administered in an oral dosage form selected from the group consisting of a tablet, capsule, lozenge, syrup, suspension and elixir.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-01 | 1987-10-31 | 1988-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-01 | 1991-10-31 | 1992-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-01 | 1995-10-31 | 1996-05-01 | $7700.00 | Window Closed / Lapsed |