Patent US3962238A successfully refreshed from Google Patents.
US3962238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethers of n-propanol amine
Assignee: Riom Laboratories-Cerm SA
•
Filing: 1973-02-27
•
Granted: 1976-06-08
•
Expires: 1993-02-27
Abstract
Abstract Ethers of n-propanolamine, preparation thereof and their use in treatment of cardiovascular conditions.
Inventors
- 👤 Roland Yves Mauvernay
- 👤 Norbert Busch
- 👤 Jacques Moleyre
- 👤 Andre Monteil
- 👤 Jacques Simond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:40
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/74; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
43 words
An ether of n-propanolamine having the formula ##EQU10## wherein A is morpholino, pyrrolidino, piperidyl, and di-lower-alkyl amino, R is a straight or branched chain lower alkyl, or benzyl, Ar is aryl and Ar 1 is aryl or pyridyl, and pharmacologically acceptable salts thereof.
Claim 2
Dependent Claim
43 words
An ether of n-propanolamine having the formula ##EQU10## wherein A is morpholino, pyrrolidino, piperidyl, and di-lower-alkyl amino, R is a straight or branched chain lower alkyl, or benzyl, Ar is aryl and Ar 1 is aryl or pyridyl, and pharmacologically acceptable salts thereof.
Claim 3
Dependent Claim
25 words
The ether of claim 1 in which A is pyrrolidino, R is isobutyl and Ar and Ar 1 are both phenyl, and the hydrochloride thereof.
Claim 4
Dependent Claim
26 words
The ether of claim 1 in which A is pyrrolidino, R is isobutyl, Ar is phenyl and Ar 1 is 2-pyridyl, and the acid fumarate thereof.
Claim 5
Dependent Claim
27 words
The ether of claim 1 in which A is diethylamino, R is an isobutyl and Ar and Ar 1 are both phenyl, and the acid fumarate thereof.
Claim 6
Dependent Claim
26 words
The ether of claim 1 in which A is morpholino, R is isobutyl and Ar and Ar 1 are both phenyl and the acid fumarate thereof.
Claim 7
Dependent Claim
25 words
The ether of claim 1 in which A is piperidyl, R is benzyl and Ar and Ar 1 are both phenyl and the hydrochloride thereof.
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) | 1979-06-08 | 1979-12-08 | 1980-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-08 | 1983-12-08 | 1984-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-08 | 1987-12-08 | 1988-06-08 | $7700.00 | Window Closed / Lapsed |