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US3661917A
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3-sulfonamido-4-hydroxyphenyl-2-piperidylcarbinols
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1971-03-26
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Granted: 1972-05-09
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Expires: 1991-03-26
Abstract
Abstract 3-SULFONAMIDO - 4 - HYDROXYPHENYL-2-PIPEIDYLCARBINOLS PREPARED BY APPROPRIATE REDUCTION OF 2-PYRIDYLCARBINOLS OR KETONES HAVE B-ADRENERGIC STIMULANTS ACTIVITY. ERYTHRO AND THEO DIASTEREOSIOMERS MAY BE CONVENIENTLY SEPARATED.
Inventors
- 👤 Carl Kaiser
- 👤 Stephen T Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:20
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445; C07C; C07C205/00; C07C205/44; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/20; C07D211/22; C07D211/30; C07D211/32; C07D211/36; C07D211/40; C07D211/44; C07D211/46; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/18; C07D317/22
Claims Analysis
Total Claims: 0
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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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |