US3629231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of glycyrrhetinic acid
Assignee: Biorex Laboratories Ltd
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Filing: 1969-05-05
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Granted: 1971-12-21
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Expires: 1989-05-05
Abstract
Abstract THE PRESENT INVENTION IS CONCERNED WITH NEW DERIVATIVES OF GLYCYRRHETINIC ACID AND WITH THE PREPARATION THEREOF. THE NEW DERIVATIVES ACCORDING TO THE PRESENT INVENTTION HAVE BEEN FOUND TO POSSESS EXTREMELY GOOD ANTI-INFLAMMATORY PROPERTIES, WHILE HAVING VERY LOW TOXICITIES.
Inventors
- 👤 Leslie Hough
- 👤 John Cameron Turner
- 👤 Anthony William Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:00
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/24; C07H15/256
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |