US2928771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of orally administrable controlled release medicaments
Assignee: STRONG COBB AND Co Inc
•
Filing: 1959-05-29
•
Granted: 1960-03-15
•
Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 William E Gaunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:39
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1617; A61K9/20; A61K9/2004; A61K9/2013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD FOR THE PRODUCTION OF ORALLY ADMINISTRABLE CONTROLLED RELEASE MEDICAMENTS WHICH COMPRISES SUBJECTING A THERAPEUTIC MATERIAL AND AT LEAST ABOUT 5%, BASED ON THE WEIGHT OF THE THERAPEUTIC MATERIAL, OF A METAL SOAP OF AN 8 TO 18 CARBON ATOM FATTY ACID TO COMPRESSION SUFFICIENT TO FORM A GEL IN WHICH THE THERAPEUTIC MATERIAL IS EMBEDDED AND SUBDIVIDING THE GEL THUS FORMED INTO GRANULES.
Claim 2
Independent Claim
65 words
A METHOD FOR THE PRODUCTION OF ORALLY ADMINISTRABLE CONTROLLED RELEASE MEDICAMENTS WHICH COMPRISES SUBJECTING A THERAPEUTIC MATERIAL AND AT LEAST ABOUT 5%, BASED ON THE WEIGHT OF THE THERAPEUTIC MATERIAL, OF A METAL SOAP OF AN 8 TO 18 CARBON ATOM FATTY ACID TO COMPRESSION SUFFICIENT TO FORM A GEL IN WHICH THE THERAPEUTIC MATERIAL IS EMBEDDED AND SUBDIVIDING THE GEL THUS FORMED INTO GRANULES.
References Cited (Backward Citations)
US2191678A
Cited
US2661315A
Cited
US2719103A
Cited
US2792329A
Cited
US2690414A
Cited
US2768112A
Cited
US2736682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |