US3833725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkylated glycol compositions and medicament preparations containing same
Assignee: Roche Palo Alto LLC
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Filing: 1972-12-08
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Granted: 1974-09-03
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Expires: 1992-12-08
Abstract
Abstract A PHARMACEUTICAL PREPARATION HAVING A MINOR AMOUNT OF A MEDICAMENT, A MAJOR AMOUNT OF A DIALKYLATED MONOOR POLY-ALKYLENE GLYCOL VEHICLE THEREFOR, AND A MINOR AMOUNT OF ONE OR MORE ANTIOXIDANTS FOR THE DIALKYLATED GLYCOL VEHICLE.
Inventors
- 👤 G Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:34
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/08; A61K31/00; A61K31/557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |