Pharmaceutical contraceptive preparation
Abstract
Abstract IN WHICH R1 H or an acyl group with one to four carbon atoms or an alkyl group with ONE TO TWO CARBON ATOMS, AND R2 an alkyn group with two to four carbon atoms, which may contain halogen AND IN WHICH THERE IS ONE ETHYLENIC BOND STARTING FROM CARBON ATOM FIVE TO CARBON ATOM FOUR OR SIX, PREFERABLY IN A QUANTITY OF FROM 0.1 TO 0.4 MG. PER DOSAGE UNIT FORM. The invention comprises also the treatment for the prevention of conception consisting in administrating to females continuously with regular intervals, preferably daily, the dosage unit forms. The invention relates to the manufacture of novel pharmaceutical preparations and to oral dosage unit forms comprising as sole contraceptive material a gestagenic substance of the general formula: D R A W I N G
Inventors
- 👤 Gerhard Anthony Overbeek
Bibliographic Details
Claims Analysis
Total Claims: 4USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |