Patent US2894458A successfully refreshed from Google Patents.
Patent US3796700A successfully refreshed from Google Patents.
US3796700A
Expired / Lapsed
US
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Adenosine derivatives and the production thereof
Assignee: TAKEDO CHEM IND Ltd
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Filing: 1971-06-23
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Granted: 1974-03-12
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Expires: 1991-06-23
Abstract
Abstract NOVEL THERAPEUTICALLY ACTIVE ADENOSINE DERIVATIVES ARE PROVIDED INCLUDING A PROCESS FOR THE PREPARATION THEREOF. THESE COMPOUNDS ARE CHARACTERIZED BY A PROLONGED CORONARY DILATORY ACTION AND PLATELET AGGREGATION INHIBITING ACTION.
Inventors
- 👤 Y Yoshioka
- 👤 R Marumoto
- 👤 M Honjo
- 👤 K Kikuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:52
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |