Patent US3272708A successfully refreshed from Google Patents.
US3272708A
Expired / Lapsed
US
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20-aminomethyl-21-amino-pregnanes and therapeutic compositions thereof
Assignee: Sanofi Aventis France
•
Filing: 1964-02-28
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Granted: 1966-09-13
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Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Bertin Daniel
- 👤 Nedelec Lucien
- 👤 Perronnet Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:17
CPC Classifications
C; C07; C07J; C07J41/00; C07J41/0033; C07J41/0055; C07J41/0061; C07J41/0094
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINO PREGNANES HAVING THE FORMULAS:
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINO PREGNANES HAVING THE FORMULAS:
Claim 3
Independent Claim
33 words
THE METHOD OF TREATING SPASMS OF VASCULAR ORIGIN IN WARM BLOODED AMINALS WHICH COMPRISES ADMINISTERING DALY AN EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINO PREGNANES HAVING THE FORMULAS
Claim 4
Independent Claim
33 words
THE METHOD OF TREATING SPASMS OF VASCULAR ORIGIN IN WARM BLOODED AMINALS WHICH COMPRISES ADMINISTERING DALY AN EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINO PREGNANES HAVING THE FORMULAS
References Cited (Backward Citations)
US3094524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |