US3086033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-methyl-17-alkyl-11-oxygenated delta1, 3, 5 (10)-estrogenic compounds
Assignee: Merck KGaA
•
Filing: 1961-03-07
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Granted: 1963-04-16
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Irmscher Klaus
- 👤 Bruckner Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:06
CPC Classifications
C; C07; C07J; C07J41/00; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
THE METHOD OF PRODUCING A DUST-FREE POWDERED 10. 1-METHYL-11-OXO-17A-ETTHYNYL-ESTRADIOL-3STABILIZED DIAZO COMPOUND OF IMPROVED WATER-SOLUBILITY METHYLETHER. AND EZHIBITING DECREASED DETERIORATION DURING STORAGE AND ON EXPOSURE TO LIGHT, WHICH COMPRISES MIXING POWDERED GLUCOSE WITH A POWDERED WATER-SOLUBLE STABILIZED DIAZO COMPOUND.
Claim 2
Independent Claim
38 words
THE METHOD OF PRODUCING A DUST-FREE POWDERED 10. 1-METHYL-11-OXO-17A-ETTHYNYL-ESTRADIOL-3STABILIZED DIAZO COMPOUND OF IMPROVED WATER-SOLUBILITY METHYLETHER. AND EZHIBITING DECREASED DETERIORATION DURING STORAGE AND ON EXPOSURE TO LIGHT, WHICH COMPRISES MIXING POWDERED GLUCOSE WITH A POWDERED WATER-SOLUBLE STABILIZED DIAZO COMPOUND.
Claim 3
Dependent Claim
1 words
1,17A-DIMETHYL-11-OXO-ESTRADIOL-3-METHYLETHER.
Claim 4
Dependent Claim
1 words
1,17A-DIMETHYL-11-OXO-ESTRADIOL-3-METHYLETHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |