US3857951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of 2-mercaptopropionylglycine and its alkali metal salts in treating respiratory diseases
Assignee: Cassenne Laboratoires
•
Filing: 1973-09-14
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Granted: 1974-12-31
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Expires: 1993-09-14
Abstract
Abstract A method for treating respiratory diseases in man or animals comprising administering thereto a mucolytically effective amount of 2-mercaptopropionylglycine or one of its alkali metal salts.
Inventors
- 👤 J Buret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:51
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
41 words
A METHOD OF PRODUCING A MUCOLYTIC EFFECT IN A PATIENT HAVING A RESPIRATORY DISEASE WHICH COMPRISES ADMINISTERING TO SAID PATIENT A MUCOLYTICALLY EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2MERCAPTOPROPIONYLGLYCINE AND ITS SODIUM, POTASSIUM AND LITHIUM SALTS.
Claim 2
Independent Claim
41 words
A METHOD OF PRODUCING A MUCOLYTIC EFFECT IN A PATIENT HAVING A RESPIRATORY DISEASE WHICH COMPRISES ADMINISTERING TO SAID PATIENT A MUCOLYTICALLY EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2MERCAPTOPROPIONYLGLYCINE AND ITS SODIUM, POTASSIUM AND LITHIUM SALTS.
Claim 3
Dependent Claim
15 words
The method of claim 1 in which the compound is the sodium salt of 2-mercaptopropionylglycine.
Claim 4
Dependent Claim
11 words
The method of claim 1 wherein the compound is administered orally.
Claim 5
Dependent Claim
11 words
The method of claim 1 wherein the compound is administered parenterally.
Claim 6
Dependent Claim
19 words
The method of claim 1 wherein the compound is administered by contact with the rhinopharyngeal and tracheobronchial mucous membranes.
Claim 7
Dependent Claim
14 words
The method of claim 3, wherein the effective amount is between 100-500 mg. daily.
Claim 8
Dependent Claim
14 words
The method of claim 1, wherein said 2-mercaptopropionylglycine is incorporated with a pharmaceutical excipient.
Claim 9
Dependent Claim
14 words
The method of claim 2, wherein the effective amount is between 100-500mg. administered orally.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |