US3005017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of steroids
Assignee: Olin Corp
•
Filing: 1959-10-07
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Granted: 1961-10-17
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Expires: 1979-10-07
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Lerner
- 👤 Allen I Laskin
- 👤 Township Franklin
- 👤 Frank L Weisenborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:06
CPC Classifications
C; C12; C12P; C12P33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 16A-HYDROXY-A-NORPROGESTERONE AND ESTERS THEREOF WITH HYDROCARBYL CARBOXYLIC ACIDS HAVING LESS THAN TEN CARBON ATOMS.
Claim 2
Dependent Claim
22 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 16A-HYDROXY-A-NORPROGESTERONE AND ESTERS THEREOF WITH HYDROCARBYL CARBOXYLIC ACIDS HAVING LESS THAN TEN CARBON ATOMS.
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |