Patent US3597435A successfully refreshed from Google Patents.
US3597435A
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US
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Substituted phenoxymethyldioxolanes
Assignee: Sandoz AG
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Filing: 1969-04-28
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Granted: 1971-08-03
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Expires: 1989-04-28
Abstract
Abstract SUBSTITUTED PHENOXYMETHYLDIOXOLANES, E.G., 2-(4-NITROPHENYL) - 4 - (4-CHLOROPHENOXYMETHYL)-1,3-DIOXOLANE, USEFUL AS TRANQUILIZERS.
Inventors
- 👤 William J Houlihan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:55
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/04; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/08; C07D333/10
Claims Analysis
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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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |