Patent US4273727A successfully refreshed from Google Patents.
US4273727A
Expired / Lapsed
US
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(S) α-Cyano-3-phenoxy-benzyl alcohol
Assignee: Sanofi Aventis France
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Filing: 1978-12-28
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Granted: 1981-06-16
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Expires: 1998-12-28
Abstract
Abstract (S) α-cyano-3-phenoxy-benzyl alcohol having the formula ##STR1## and a novel process for its preparation and novel intermediates.
Inventors
- 👤 Jacques Martel
- 👤 Jean Tessier
- 👤 Andre Teche
- 👤 Jean-Pierre Demoute
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:27
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/93; A; A01; A01N; A01N37/00; A01N37/36; A01N37/38; C07C; C07C255/00; C07C255/49; C07C255/53; C07C57/00; C07C57/52; C07C57/58
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
12 words
(S) α-cyano-3-phenoxy-benzyl alcohol of the formula ##STR3## free of its (R) form.
Claim 2
Dependent Claim
12 words
(S) α-cyano-3-phenoxy-benzyl alcohol of the formula ##STR3## free of its (R) form.
Claim 3
Dependent Claim
17 words
The alcohol of claim 1 with a specific rotation of [α] D 20 =-16.5°±1.5° (c=0.8% in benzene).
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) | 1984-06-15 | 1984-12-15 | 1985-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-15 | 1988-12-15 | 1989-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-15 | 1992-12-15 | 1993-06-16 | $7700.00 | Window Closed / Lapsed |