US3813430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-aryl-2-alkyl or-alkenyl-3,4-dihydronaphthalenes
Assignee: STWB Inc
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Filing: 1970-10-26
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Granted: 1974-05-28
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Expires: 1990-10-26
Abstract
Abstract CERTAIN 1-ARYL-2-ALKYL OR -ALKENYL-3,4-DIHYDRONAPTHALENESE, HAVING HYPOCHOLESTEREMIC AND ANTISEPTIC ACTION, ARE PREPARED VIA GRIGNARD OR ALLIED REACTIONS ON THE CORRESPONDING 1-TETRALONES.
Inventors
- 👤 D Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:49
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07C43/23; C07C37/00; C07C37/01; C07C37/055; C07C39/00; C07C39/23; C07C69/00; C07C69/017; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/10
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |