US2970944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parenteral solutions of steroid phosphates stabilized with creatinines
Assignee: Merck and Co Inc
•
Filing: 1958-04-04
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Granted: 1961-02-07
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Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 Walter F Charnicki
- 👤 Robert E King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:19
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K47/00; A61K47/06; A61K47/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PHARMACEUTICAL FORMULATION SUITABLE FOR PARENTERIAL ADMINISTRATION COMPRISING, IN AN AQUEOUS SOLUTION HAVING A PH OF 7.0 TO 7.8, (A) A WATER SOLUBLE STEROID PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF PHOSPHATES OF 11-OXYGENATED-$4-PREGNENE-17,21-DIOL-3,20DIONES, PHOSPHATES OF 11-OXYGENATED-$1,4-PREGNADIENE17A,21-DIOL-3,20-DIOES, AND ALKALI METAL SALTS THEREOF, AND (B) A STABILIZER TENDING TO PREVENT DETERIORATION OF THE STEROID PHOSPHATE, AND CONSEQUENT YELLOWING OF THE SOLUTION AND FORMATION OF A PRECIPITATE, SAID STABILIZER BEING SELECTED FROM THE GROUP CONSISTING OF CREATININE AND N-METHYLCREATININE.
Claim 2
Dependent Claim
77 words
A PHARMACEUTICAL FORMULATION SUITABLE FOR PARENTERIAL ADMINISTRATION COMPRISING, IN AN AQUEOUS SOLUTION HAVING A PH OF 7.0 TO 7.8, (A) A WATER SOLUBLE STEROID PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF PHOSPHATES OF 11-OXYGENATED-$4-PREGNENE-17,21-DIOL-3,20DIONES, PHOSPHATES OF 11-OXYGENATED-$1,4-PREGNADIENE17A,21-DIOL-3,20-DIOES, AND ALKALI METAL SALTS THEREOF, AND (B) A STABILIZER TENDING TO PREVENT DETERIORATION OF THE STEROID PHOSPHATE, AND CONSEQUENT YELLOWING OF THE SOLUTION AND FORMATION OF A PRECIPITATE, SAID STABILIZER BEING SELECTED FROM THE GROUP CONSISTING OF CREATININE AND N-METHYLCREATININE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |