Patent US4065461A successfully refreshed from Google Patents.
US4065461A
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Amino containing pyridyloxy propanols
Assignee: Grindstedvaerket AS
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Filing: 1976-08-10
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Granted: 1977-12-27
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Expires: 1996-08-10
Abstract
Abstract As new compounds having beta -receptor blocking activity, isopropylamino-(pyridyloxy)-propanols with the general formula <IMAGE> wherein R denotes hydrogen or amino. The compounds are prepared by reacting a corresponding 3-pyridinol with epichlorohydrin and the resulting product with isopropylamine.
Inventors
- 👤 Karl Jakob Ross-Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:15
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/73; A; A61; A61P; A61P25/00; A61P25/02; C07D213/62; C07D213/63; C07D213/65
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
24 words
A compound selected from the group consisting of ##STR18## wherein R denotes a hydrogen atom or an amino group, and acid addition salts thereof.
Claim 2
Dependent Claim
24 words
A compound selected from the group consisting of ##STR18## wherein R denotes a hydrogen atom or an amino group, and acid addition salts thereof.
Claim 3
Dependent Claim
15 words
A compound selected from the group consisting of 1-isopropylamino-3-(3-pyridyloxy)-2-propanol, and an acid additional salt thereof.
Claim 4
Dependent Claim
15 words
A compound selected from the group consisting of 1-isopropylamino-3-(3-pyridyloxy)-2-propanol, and an acid additional salt thereof.
Claim 5
Dependent Claim
14 words
A compound selected from the group consisting of 1-isopropylamino-3-2-propanol, and its acid addition salts.
Claim 6
Dependent Claim
14 words
A compound selected from the group consisting of 1-isopropylamino-3-2-propanol, and its acid addition salts.
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) | 1980-12-26 | 1981-06-27 | 1981-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-26 | 1985-06-27 | 1985-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-26 | 1989-06-27 | 1989-12-27 | $7700.00 | Window Closed / Lapsed |