US3683076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmaceutically active glucosamine salts useful in the treatment of osteoarthritis and rheumatoid arthritis
Assignee: Individual
•
Filing: 1969-10-14
•
Granted: 1972-08-08
•
Expires: 1989-10-14
Abstract
Abstract Glucosamine sulphate and glucosamine hydroiodide are prepared pure by described processes for use in the treatment of arthritic disease.
Inventors
- 👤 Luigi Rovati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:12
CPC Classifications
C; C07; C07H; C07H5/00; C07H5/04; C07H5/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
22 words
The preparation of claim 1 wherein the weight ratio between the glucosamine sulphate and the glucosamine hydroiodide ranges from 1.0:2.0 to 1.0:0.2.
Claim 2
Dependent Claim
18 words
The preparation of claim 1 wherein the dosage of glucosamine sulphate and glucosamine hydroiodide respectively is 40 mg.
Claim 3
Dependent Claim
18 words
The preparation of claim 1 wherein the dosage of glucosamine sulphate and glucosamine hydroiodide respectively is 125 mg.
Claim 4
Dependent Claim
18 words
The preparation of claim 1 wherein the dosage of glucosamine sulphate and glucosamine hydroiodide respectively is 200 mg.
Claim 5
Dependent Claim
19 words
The preparation of claim 1 further comprising a stabilizer selected from the group consisting of sodium hyposulphite and N-acetyldiethanolamine.
Claim 6
Independent Claim
37 words
A method for treating osteoarthritis and rheumatoid arthritis, which comprises administering to a patient infected with such malady, an effective amount of a mixture comprising, in combination, glucosamine sulphate and glucosamine hydroiodide in equal proportions by weight.
Claim 7
Dependent Claim
22 words
The method of claim 7 wherein the weight ratio between the glucosamine sulphate and glucosamine hydroiodide ranges from 1.0: 2.0 to 1.0:0.2
Claim 8
Dependent Claim
18 words
The method of claim 7 wherein the dosage of glucosamine sulphate and glucosamine hydroiodide respectively is 40 mg.
Claim 9
Dependent Claim
18 words
The method of claim 7 wherein the dosage of glucosamine sulphate and glucosamine hydroiodide respectively is 125 mg.
Claim 10
Dependent Claim
18 words
The method of claim 7 wherein the dosage of glucosamine sulphate and glucosamine hydroiodide respectively is 200 mg.
References Cited (Backward Citations)
US3008874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |