US2828244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized diethylstilbestrol diphosphate solution and method of preparing same
Assignee: Bayer Corp
•
Filing: 1957-01-24
•
Granted: 1958-03-25
•
Expires: 1977-01-24
Abstract
No abstract record available.
Inventors
- 👤 Dale E Fonner
- 👤 Galen F Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:44
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A COMPOSITION WHICH IS STABLE AGAINST THE DEVELOPMENT OF SEDIMENT THEREIN COMPRISING AN AQUEOUS SOLUTION OF AN ALKALI SALT OF DIETHYLSTILBESTROL DIPHOSPHATE SAID SOLUTION HAVING A PH OF FROM ABOUT 9 TO 11 INCLUSIVE.
Claim 2
Dependent Claim
34 words
A COMPOSITION WHICH IS STABLE AGAINST THE DEVELOPMENT OF SEDIMENT THEREIN COMPRISING AN AQUEOUS SOLUTION OF AN ALKALI SALT OF DIETHYLSTILBESTROL DIPHOSPHATE SAID SOLUTION HAVING A PH OF FROM ABOUT 9 TO 11 INCLUSIVE.
References Cited (Backward Citations)
US2234311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |