US3598858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pge2 and pge3
Assignee: Individual
•
Filing: 1962-06-20
•
Granted: 1971-08-10
•
Expires: 1982-06-20
Abstract
Abstract PGE2, PGE3, THEIR SALTS AND ESTERS FREE OF ANTIGENS AND PYROGENS. PGE TYPE COMPOUNDS EXHIBIT BLOOD PRESSURE LOWERING AND SMOOTH MUSCLE STIMULATING PROPERTIES.
Inventors
- 👤 Sune Bergstrom
- 👤 Jan Sjovall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:51
CPC Classifications
C; C12; C12P; C12P31/00; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; C07; C07C; C07C405/00; C07C405/0008; C07C405/0016
Claims Analysis
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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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |