Patent US2659863A successfully refreshed from Google Patents.
US2736682A
Expired / Lapsed
US
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Method of making a prolonged action medicinal tablet
Assignee: Individual
•
Filing: 1954-10-11
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Granted: 1956-02-28
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Expires: 1974-10-11
Abstract
No abstract record available.
Inventors
- 👤 Victor M Hermelin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2072; A61K9/2086; A61K9/209
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF MAKING A PROLONGED ACTION MEDICINAL TABLET WHICH COMPRISES MIXING A DRY POWDERED DRUG MATERIAL, CONFECTIONERS'' GLAZE, STEARIC ACID AND CASTOR OIL TO A DOUGH-LIKE CONSISTENCY, SPREADING THE MIXTURE TO DRY AND, WHEN DRY, COMMINUTING TO GRANULATE THE MIXTURE TO FORM DISCRETE GRANULES, MIXING SAID GRANULES WITH A COMPOSITION CONSISTING OF CONFECTIONERS'' GLAZE, STEARIC ACID AND CASTOR OIL TO FORM A MIXTURE OF DOUGH-LIKE CONSISTENCY, AGAIN SPREADING A DOUGH-LIKE MIXTURE TO DRY AND, WHEN DRY, COMMINUTING SAME TO FORM DISCRETE GRANULES, AND COMPRESSING A MEASURED QUANTITY OF THE LAST-MENTIONED GRANULES TO FORM A SOLID TABLET.
Claim 2
Independent Claim
97 words
THE METHOD OF MAKING A PROLONGED ACTION MEDICINAL TABLET WHICH COMPRISES MIXING A DRY POWDERED DRUG MATERIAL, CONFECTIONERS'' GLAZE, STEARIC ACID AND CASTOR OIL TO A DOUGH-LIKE CONSISTENCY, SPREADING THE MIXTURE TO DRY AND, WHEN DRY, COMMINUTING TO GRANULATE THE MIXTURE TO FORM DISCRETE GRANULES, MIXING SAID GRANULES WITH A COMPOSITION CONSISTING OF CONFECTIONERS'' GLAZE, STEARIC ACID AND CASTOR OIL TO FORM A MIXTURE OF DOUGH-LIKE CONSISTENCY, AGAIN SPREADING A DOUGH-LIKE MIXTURE TO DRY AND, WHEN DRY, COMMINUTING SAME TO FORM DISCRETE GRANULES, AND COMPRESSING A MEASURED QUANTITY OF THE LAST-MENTIONED GRANULES TO FORM A SOLID TABLET.
References Cited (Backward Citations)
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Cited
GB285091A
Cited
US1928346A
Cited
US2146867A
Cited
US2373763A
Cited
US2566200A
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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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |