Patent US2691014A successfully refreshed from Google Patents.
US2691014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidosteroids
Assignee: Pharmacia and Upjohn Co
•
Filing: 1952-03-21
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Granted: 1954-10-05
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Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Moffett Robert Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:59
CPC Classifications
C; C07; C07J; C07J71/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3-ACYLOXY-16(17) -OXIDO-17-(1-ACYLOXYETHYLENE)-ETIOCHOLANE AND 3-ACYLOXY-16(17)OXIDO - 17 -(1-ACYLOXYETHYLENEOXIDE) - ETHIOCHOLANE, WHEREIN THE ACYLOXY GROUPS HAVE THE FORMULA ACO, AC BEING THE ACYL RADICAL OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
Claim 2
Dependent Claim
43 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3-ACYLOXY-16(17) -OXIDO-17-(1-ACYLOXYETHYLENE)-ETIOCHOLANE AND 3-ACYLOXY-16(17)OXIDO - 17 -(1-ACYLOXYETHYLENEOXIDE) - ETHIOCHOLANE, WHEREIN THE ACYLOXY GROUPS HAVE THE FORMULA ACO, AC BEING THE ACYL RADICAL OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
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) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |