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Patent US3282969A successfully refreshed from Google Patents.
US3282969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
7, 7-gem-difluoro steroids of the androstane and pregnane series
Assignee: EIDP Inc
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Filing: 1964-07-02
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Granted: 1966-11-01
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Expires: 1984-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr George A Boswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:11
CPC Classifications
C; C07; C07J; C07J5/00; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A COMPOUND HAVING THE STRUCTURAL FORMULA 3-(Y=),7,7-DI(F-),11-(Z=),17-(X=)ANDROSTANE OR THE DERIVATIVES WITH DOUBLE BOND(S) IN THE 1 AND/OR 4 POSITION(S) ($) WHEREIN X REPRESENTS A MEMBER SELECTED FROM THE CLASS CONSISTING OF (-R1, -R2), (-0), AND (-F, -F); Z REPRESENTS A MEMBER SELECTED FROM THE CLASS CONSISTING OF (-H, H), (-H, -OH), AND (=O); Y REPRESENTS A MEMBER SELECTED FROM THE CLASS CONSISTING OF (-H, -OH), (-H, OACYL), AND (=O); R1 REPRESENTS A GROUP SELECTED FROM THE CLASS CONSISTING OF H, OH, AND OACYL; R2 REPRESENTS A GROUP SELECTED FROM THE CLASS CONSISTING OF H, -C=CH, -CH=CH2, *CF2CH3, -COCH3, -COCH2OH, -COCH2OACYL, -CH(CH3)OH AND CH(CH3)OACYL; ACYL REPRESENTS A HYDROCARBON CARBOXYLIC ACYL GROUP OF FROM 1 THROUGH 10 CARBON ATOMS AND $ REPRESENTS A BOND OF THE CLASS CONSISTING OF SINGLE AND DOUBLE BONDS. 4. 7,7,17,17-TETRAFLUOROANDROSTANE-3-ONE.
Claim 2
Dependent Claim
133 words
A COMPOUND HAVING THE STRUCTURAL FORMULA 3-(Y=),7,7-DI(F-),11-(Z=),17-(X=)ANDROSTANE OR THE DERIVATIVES WITH DOUBLE BOND(S) IN THE 1 AND/OR 4 POSITION(S) ($) WHEREIN X REPRESENTS A MEMBER SELECTED FROM THE CLASS CONSISTING OF (-R1, -R2), (-0), AND (-F, -F); Z REPRESENTS A MEMBER SELECTED FROM THE CLASS CONSISTING OF (-H, H), (-H, -OH), AND (=O); Y REPRESENTS A MEMBER SELECTED FROM THE CLASS CONSISTING OF (-H, -OH), (-H, OACYL), AND (=O); R1 REPRESENTS A GROUP SELECTED FROM THE CLASS CONSISTING OF H, OH, AND OACYL; R2 REPRESENTS A GROUP SELECTED FROM THE CLASS CONSISTING OF H, -C=CH, -CH=CH2, *CF2CH3, -COCH3, -COCH2OH, -COCH2OACYL, -CH(CH3)OH AND CH(CH3)OACYL; ACYL REPRESENTS A HYDROCARBON CARBOXYLIC ACYL GROUP OF FROM 1 THROUGH 10 CARBON ATOMS AND $ REPRESENTS A BOND OF THE CLASS CONSISTING OF SINGLE AND DOUBLE BONDS. 4. 7,7,17,17-TETRAFLUOROANDROSTANE-3-ONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |