US2967179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamine salts of 21-phosphate esters of steroid compounds of the pregnane and allopregnane series
Assignee: Glaxo Laboratories Ltd
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Filing: 1959-04-14
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Granted: 1961-01-03
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Expires: 1979-04-14
Abstract
No abstract record available.
Inventors
- 👤 Arkley Vincent
- 👤 Phillipps Gordon Hanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:54
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
IN A PROCESS FOR THE RECOVERY OF 21-PHOSPHATE ESTERS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A STEROID COMPOUND OF THE PREGANE SERIES AND A STEROID COMPOUND OF A ALLOPREGNANE SERIES FROM A SOLUTION OF THE ESTER IN AN AQUEOUS MEDIUM, THE STEPS OF REACTING SAID SOLUTION WITH AN ORGANIC BASE SELECTED FROM THE GROUP CONSISTING OF A BASE HAVING THE FORMULA
Claim 2
Dependent Claim
64 words
IN A PROCESS FOR THE RECOVERY OF 21-PHOSPHATE ESTERS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A STEROID COMPOUND OF THE PREGANE SERIES AND A STEROID COMPOUND OF A ALLOPREGNANE SERIES FROM A SOLUTION OF THE ESTER IN AN AQUEOUS MEDIUM, THE STEPS OF REACTING SAID SOLUTION WITH AN ORGANIC BASE SELECTED FROM THE GROUP CONSISTING OF A BASE HAVING THE FORMULA
Claim 3
Dependent Claim
38 words
AS NEW COMPOUNDS THE SALTS OF AN ORGANIC BASE SELECTED FROM THE GROUP CONSISTING OF N;N1-DIBENZYLETHYLENEDIAMINE, PIPERAZINE AND ETHYLENEDIAMINE AND A 21-PHOSPHATE ESTER OF A STEROID COMPOUND SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING THE FORMULA
Claim 4
Dependent Claim
38 words
AS NEW COMPOUNDS THE SALTS OF AN ORGANIC BASE SELECTED FROM THE GROUP CONSISTING OF N;N1-DIBENZYLETHYLENEDIAMINE, PIPERAZINE AND ETHYLENEDIAMINE AND A 21-PHOSPHATE ESTER OF A STEROID COMPOUND SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING THE FORMULA
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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |