Patent US4639368A successfully refreshed from Google Patents.
US4639368A
Expired / Lapsed
US
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Chewing gum containing a medicament and taste maskers
Assignee: DANA RESEARCH GROUP Inc
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Filing: 1985-06-06
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Granted: 1987-01-27
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Expires: 2005-06-06
Abstract
Abstract A chewing gum composition adapted to supply a medicament to the oral cavity for local application thereto or for buccal absorption of said medicament which comprises a chewing gum base, an orally administrable medicament, a taste masking generator of carbon dioxide and optionally a taste bud desensitizing composition.
Inventors
- 👤 Sarfaraz Niazi
- 👤 Alvin Shemesh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:53
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0056; A61K9/0058
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
42 words
A chewing gum composition adapted to supply a medicament to the oral cavity comprising, a chewing gum base, an orally administrable medicament capable of being absorbed through the buccal cavity, said medicament consisting essentially of phenylpropanol amine, and a carbon dioxide generator.
Claim 2
Dependent Claim
42 words
A chewing gum composition adapted to supply a medicament to the oral cavity comprising, a chewing gum base, an orally administrable medicament capable of being absorbed through the buccal cavity, said medicament consisting essentially of phenylpropanol amine, and a carbon dioxide generator.
Claim 3
Dependent Claim
31 words
The chewing gum composition of claim 1 wherein the carbon dioxide generator consists essentially of a mixture of a water soluble bicarbonate salt and an organic acid suitable for human consumption.
Claim 4
Dependent Claim
21 words
The chewing gum composition of claim 2 wherein said bicarbonate salt is sodium bicarbonate and said organic acid is tartaric acid.
Claim 5
Dependent Claim
50 words
A chewing gum composition adapted to supply a medicament to the oral cavity comprising, a chewing gum base, a flavoring agent, an orally administrable medicament consisting essentially of phenylpropanol amine, and a taste-masking material selected from the group consisting of a carbon dioxide generator and a taste bud desensitizing composition.
Claim 6
Dependent Claim
50 words
A chewing gum composition adapted to supply a medicament to the oral cavity comprising, a chewing gum base, a flavoring agent, an orally administrable medicament consisting essentially of phenylpropanol amine, and a taste-masking material selected from the group consisting of a carbon dioxide generator and a taste bud desensitizing composition.
Claim 7
Dependent Claim
31 words
The chewing gum composition of claim 4 wherein the carbon dioxide generator consists essentially of a mixture of a water soluble bicarbonate salt and an organic acid suitable for human consumption.
Claim 8
Dependent Claim
21 words
The chewing gum composition of claim 5 wherein said bicarbonate salt is sodium bicarbonate and said organic acid is tartaric acid.
Claim 9
Dependent Claim
15 words
The chewing gum composition of claim 4 wherein said flavoring agent is a non-nutritive sweetener.
Claim 10
Dependent Claim
15 words
The chewing gum composition of claim 4 wherein said flavoring agent is a natural sweetener.
Claim 11
Dependent Claim
15 words
The chewing gum composition of claim 5 wherein said taste bud desensitizing composition is benzocaine.
Claim 12
Dependent Claim
15 words
The chewing gum composition of claim 5 wherein said taste bud desensitizing composition is spilanthol.
Claim 13
Dependent Claim
69 words
A chewing gum composition adapted to supply a medicament to the oral cavity comprising a chewing gum base, an orally administrable medicament capable of being absorbed through the buccal cavity, said medicament consisting of phenylpropanol amine, a taste masking generator of carbon dioxide consisting essentially of a mixture of sodium bicarbonate and tartaric acid, and a taste bud desensitizing composition selected from the group consisting of benzocaine and spilanthol.
Claim 14
Dependent Claim
69 words
A chewing gum composition adapted to supply a medicament to the oral cavity comprising a chewing gum base, an orally administrable medicament capable of being absorbed through the buccal cavity, said medicament consisting of phenylpropanol amine, a taste masking generator of carbon dioxide consisting essentially of a mixture of sodium bicarbonate and tartaric acid, and a taste bud desensitizing composition selected from the group consisting of benzocaine and spilanthol.
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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) | 1990-01-26 | 1990-07-28 | 1991-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-26 | 1994-07-28 | 1995-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-26 | 1998-07-28 | 1999-01-27 | $7700.00 | Window Closed / Lapsed |