US4124722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic method of controlling tachycardia
Assignee: STWB Inc
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Filing: 1977-08-04
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Granted: 1978-11-07
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Expires: 1997-08-04
Abstract
Abstract Alpha-[(lower alkylamino)alkyl]-4-hydroxy-3-(alkylthio, alkylsulfinyl or alkylsulfonyl)benzenemethanols which have beta -adrenergic blocking activity and which are therefore useful in controlling tachycardia are prepared by reduction of the corresponding (lower alkylamino)alkyl 4-hydroxy-3-(alkylthio, alkylsulfinyl or alkylsulfonyl)phenyl ketones.
Inventors
- 👤 Sydney Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:31
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
A therapeutic method of controlling tachycardia in a mammal in need of such therapy which comprises administering to said mammal an effective amount of a compound having in the free base form the formula ##STR14## wherein: R 1 is hydrogen, methyl or ethyl; R 2 is lower alkyl; Q is lower alkylthio, lower alkylsulfinyl or lower alkylsulfonyl; and Y is hydrogen, lower alkanoyl, benzoyl or benzoyl substituted with from 1 to 2 methyl groups; or an acid-addition salt thereof.
Claim 2
Dependent Claim
79 words
A therapeutic method of controlling tachycardia in a mammal in need of such therapy which comprises administering to said mammal an effective amount of a compound having in the free base form the formula ##STR14## wherein: R 1 is hydrogen, methyl or ethyl; R 2 is lower alkyl; Q is lower alkylthio, lower alkylsulfinyl or lower alkylsulfonyl; and Y is hydrogen, lower alkanoyl, benzoyl or benzoyl substituted with from 1 to 2 methyl groups; or an acid-addition salt thereof.
Claim 3
Dependent Claim
26 words
A therapeutic method of controlling tachycardia according to claim 1 wherein R 1 is hydrogen; R 2 is tert-butyl and Q is methylthio, methylsulfinyl or methylsulfonyl.
References Cited (Backward Citations)
US4048229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |