US3063906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzyl dextran-amphetamine and method of making same
Assignee: Central Pharmacal Co
•
Filing: 1960-09-13
•
Granted: 1962-11-13
•
Expires: 1980-09-13
Abstract
No abstract record available.
Inventors
- 👤 Herman C N Heckel
- 👤 Jr Robert T Jefferson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0021; A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1652; A61K9/20; A61K9/2004; A61K9/2022; A61K9/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A PHARMACEUTICAL PRODUCT PROVIDING A GRADUAL RELEASE OF MEDICAMENT OVER A LONG PERIOD OF TIME, AND WHICH COMPRISES AN AMPHETAMINE MEDICAMENT DISPOSED IN BENZYL DEXTRAN, SAID PRODUCT BEING FREE OF BENZYL ALCOHOL.
Claim 2
Dependent Claim
32 words
A PHARMACEUTICAL PRODUCT PROVIDING A GRADUAL RELEASE OF MEDICAMENT OVER A LONG PERIOD OF TIME, AND WHICH COMPRISES AN AMPHETAMINE MEDICAMENT DISPOSED IN BENZYL DEXTRAN, SAID PRODUCT BEING FREE OF BENZYL ALCOHOL.
References Cited (Backward Citations)
US2536168A
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US2609368A
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US2749274A
Cited
US2811516A
Cited
US2885393A
Cited
US2856398A
Cited
US2902408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |