US3914238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-Aryl-{60 -(1,4-benzodioxan-2-yl)-4-hydroxy-1-piperidineethanols
Assignee: Janssen Pharmaceutica NV
•
Filing: 1974-01-18
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Granted: 1975-10-21
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Expires: 1994-01-18
Abstract
Abstract The compounds, 4-aryl- Alpha -(1,4-benzodioxan-2-yl)-4-hydroxy1-piperidineethanols, useful as anti-hypertensive agents.
Inventors
- 👤 Willem Soudijn
- 👤 Wijngaarden Ineke Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:01
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/06
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 4-ARYLA-(1,4-BENZODIOXAN-2-YL)-4-HYDROXY-1-PIPERIDINEETHANOLS HAVING THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 4-ARYLA-(1,4-BENZODIOXAN-2-YL)-4-HYDROXY-1-PIPERIDINEETHANOLS HAVING THE FORMULA
Claim 3
Dependent Claim
3 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-(p-chlorophenyl)-4-hydroxy-1-piperidineethanol.
Claim 4
Dependent Claim
3 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-(p-chlorophenyl)-4-hydroxy-1-piperidineethanol.
Claim 5
Dependent Claim
3 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-(p-bromophenyl)-4-hydroxy-1-piperidineethanol.
Claim 6
Dependent Claim
3 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-(p-bromophenyl)-4-hydroxy-1-piperidineethanol.
Claim 7
Dependent Claim
11 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-hydroxy-4-( Alpha , Alpha , Alpha -trifluoro-m-tolyl)-1-piperidineethanol hydrochloride hydrate.
Claim 8
Dependent Claim
11 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-hydroxy-4-( Alpha , Alpha , Alpha -trifluoro-m-tolyl)-1-piperidineethanol hydrochloride hydrate.
Claim 9
Dependent Claim
3 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-hydroxy-4-p-tolyl-1-piperidineethanol.
Claim 10
Dependent Claim
3 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-hydroxy-4-p-tolyl-1-piperidineethanol.
Claim 11
Dependent Claim
10 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-(4-chloro- Alpha , Alpha , Alpha -trifluoro-m-tolyl)-4-hydroxy-1-piperidineethanol hydrochloride.
Claim 12
Dependent Claim
10 words
Erythro Alpha -(1,4-benzodioxan-2-yl)-4-(4-chloro- Alpha , Alpha , Alpha -trifluoro-m-tolyl)-4-hydroxy-1-piperidineethanol hydrochloride.
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) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |