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US3542874A
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US
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1 - (2 - methylthiophenoxy) - 2 - hydroxy - 3-isopropylaminopropane and the salts thereof
Assignee: US Philips Corp
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Filing: 1966-03-22
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Granted: 1970-11-24
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Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Volkert Govert Keizer
- 👤 Johannes Maria Ant Zwagemakers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:11
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/14; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24
Claims Analysis
Total Claims: 0
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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) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |