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US3661916A
Expired / Lapsed
US
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Thiocarboxylic acid esters of 8-azabicyclo(3.2.1)octanes and 9 -azabicyclo(3.3.1)nonanes
Assignee: Novartis Corp
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Filing: 1970-07-20
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Granted: 1972-05-09
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Expires: 1990-07-20
Abstract
Abstract COMPOUNDS OF THE FORMULA 1-(R-Y-C(=X)-),2,4-(-(CH2)N-)AZETIDINE WHEREIN R REPRESENTS LOWER ALKYL, LOWER HALOGENALKYL, LOWER ALKENYL OR LOWER HALOGENALKENYL, N REPRESENTS THE INTEGER 0 TO 1 AND OF THE SYMBOLS X AND Y, ONE REPRESENTS SULPHUR AND THE OTHER REPRESENTS OXYGEN OR SULPHUR ARE DISCLOSED AS HERBICIDALLY ACTIVE SUBSTANCES. COMPOSITIONS AS WELL AS A METHOD FOR CONTROLLING WEEDS AND WILD GRASSES WITH THE AID OF SUCH COMPOUNDS ARE ALSO DESCRIBED.
Inventors
- 👤 Elmar Sturm
- 👤 Christian Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:25
CPC Classifications
C; C07; C07D; C07D451/00; C07D451/02; C07D451/14
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 |