Patent US3444099A successfully refreshed from Google Patents.
US2968655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
11-oxygenated-6-methyl progesterone and intermediates therefor
Assignee: Pharmacia and Upjohn Co
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Filing: 1956-11-23
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Granted: 1961-01-17
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Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 George B Spero
- 👤 John L Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:00
CPC Classifications
C; C07; C07J; C07J7/00; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
10 words
11-OXYGENATED-6-METHYLPROGESTERONE SELECTED FROM THE GROUP CONSISTING OF 6A-METHYL-11-KETOPROGESTERONE AND 6A-METHYL-11B-HYDROXYPROGESTERONE.
Claim 2
Dependent Claim
10 words
11-OXYGENATED-6-METHYLPROGESTERONE SELECTED FROM THE GROUP CONSISTING OF 6A-METHYL-11-KETOPROGESTERONE AND 6A-METHYL-11B-HYDROXYPROGESTERONE.
Claim 3
Dependent Claim
29 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF 5A,11A-DIHYDROXY-6B-METHYLALLOPREGNANE-3,20-DIONE AND 5A-HYDROXY-6B-METHYL-11A-ACYLOXYALLOPREGNANE-3, 20-DIONES WHEREIN THE ACYL RADICAL IS OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
Claim 4
Dependent Claim
29 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF 5A,11A-DIHYDROXY-6B-METHYLALLOPREGNANE-3,20-DIONE AND 5A-HYDROXY-6B-METHYL-11A-ACYLOXYALLOPREGNANE-3, 20-DIONES WHEREIN THE ACYL RADICAL IS OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
Claim 5
Dependent Claim
32 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF 5A,11A-DIHYDROXY-6B-METHYLALLOPREGNANE-3,20-DIONE 3,20-BIS-(ETHYLENE KETAL) AND 5A-HYDROXY-6B-METHYL-11AACYLOXYALLOPREGNANE-3,20-DIONE 3,20-BIS-(ETHYLENE KETAL) WHEREIN THE ACYL RADICAL IS OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
Claim 6
Dependent Claim
32 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF 5A,11A-DIHYDROXY-6B-METHYLALLOPREGNANE-3,20-DIONE 3,20-BIS-(ETHYLENE KETAL) AND 5A-HYDROXY-6B-METHYL-11AACYLOXYALLOPREGNANE-3,20-DIONE 3,20-BIS-(ETHYLENE KETAL) WHEREIN THE ACYL RADICAL IS OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
Claim 7
Dependent Claim
32 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF 5A,6A-OXIDO-11A-HYDROXYALLOPREGNANE-3,20-DIONE 3,20BIS-(ETHYLENE KETAL) AND 5A,6A-OXIDO-11A-ACYLOXYALLOPREGNANE-3,20-DIONE 3,20-BIS-(ETHYLENE KETAL) WHEREIN THE ACYL RADICAL IS OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
Claim 8
Dependent Claim
32 words
COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF 5A,6A-OXIDO-11A-HYDROXYALLOPREGNANE-3,20-DIONE 3,20BIS-(ETHYLENE KETAL) AND 5A,6A-OXIDO-11A-ACYLOXYALLOPREGNANE-3,20-DIONE 3,20-BIS-(ETHYLENE KETAL) WHEREIN THE ACYL RADICAL IS OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM ONE TO EIGHT CARBON ATOMS, INCLUSIVE.
References Cited (Backward Citations)
US2849448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |