Patent US3778426A successfully refreshed from Google Patents.
US3778426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutically useful polypeptides
Assignee: Research Corp
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Filing: 1970-12-16
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Granted: 1973-12-11
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Expires: 1990-12-16
Abstract
Abstract DISCLOSURE RELATES TO THEREAPEUTICALLY USEFUL POLYPEPTIDES CONTAINING UP TO ABOUT NINETEEN AMINO ACIDS, PARTICULARLY TETRAPEPTIDES IN WHICH TWO BASIC AMINO ACIDS ARE JOINED TOGETHER THROUGH PROLINE. SUCH COMPOUNDS EXHIBIT VARYING DEGREES OF PHAGOCYTOSIS OR PINOCYTOSIS STIMULATION OR INHIBITION.
Inventors
- 👤 Victor Assad Najjar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:26
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/08; C07K5/0821; C07K14/00; C07K14/435; C07K14/575; C07K5/0815; C07K5/10; C07K5/1002; C07K5/1005; C07K5/1013; C07K5/1019; C07K5/1024; A; A61; A61K; A61K38/00
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |