US3312592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Administration of 1, 4-benzodioxan derivatives to produce beta-adrenergic blockade
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-01-31
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Granted: 1967-04-04
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Chodnekar Madhukar Subraya
- 👤 Crowther Albert Frederick
- 👤 Howe Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:03
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/10; C07D319/14; C07D319/22; C07D319/16; C07D319/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A METHOD FOR EFFECTING B-ADRENERGIC BLOCKADE WHICH COMPRISES ADMINISTERING TO A HUMAN IN NEED OF B-ADRENERGIC BLOCKADE AN EFFECTIVE MOUNT OF AT LEAST ONE 1,4-BENZODIOXAN DERIVATIVE SELECTED FROM THE GROUPCONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 2
Independent Claim
35 words
A METHOD FOR EFFECTING B-ADRENERGIC BLOCKADE WHICH COMPRISES ADMINISTERING TO A HUMAN IN NEED OF B-ADRENERGIC BLOCKADE AN EFFECTIVE MOUNT OF AT LEAST ONE 1,4-BENZODIOXAN DERIVATIVE SELECTED FROM THE GROUPCONSISTING OF COMPOUNDS OF THE FORMULA:
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |