US3814809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sustained release contraceptive composition and method of use
Assignee: Bristol Myers Co
•
Filing: 1971-11-11
•
Granted: 1974-06-04
•
Expires: 1991-11-11
Abstract
Abstract COMPOSITIONS COMPRISING PROSTAGLANDIN F2A OR E2, OXYTOCIN, AND COPPER OR ZINC SALTS OF ETHYLENE DIAMINE TETRAACETIC ACID WITH A PORTION OF THE PROSTAGLANDIN BEING DISSOLVED IN A BIODEGRADABLE WAX; IN THE FORM OF VAGINAL SUPPOSITORIES AND OR IMPREGNATED TAMPONS AND METHODS OF PREVENTING CONCEPTION OR IMPLANTATION BY VAGINAL INSERTION OF SAID COMPOSITIONS AFTER EXPOSURE TO CONCEPTION ARE USEFUL CONTRACEPTIVE AIDS IN MAMMALS.
Inventors
- 👤 M Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:23
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0034
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |