Patent US3644416A successfully refreshed from Google Patents.
US3644416A
Expired / Lapsed
US
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Substituted 9-thiabicyclononenes
Assignee: Hooker Chemical Corp
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Filing: 1968-08-23
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Granted: 1972-02-22
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Expires: 1988-08-23
Abstract
Abstract COMPOUNDS OF THE FORMULA 6-X,9-((O=)T)-9-THIABICYCLO(3.3.1)NON-2-ENE WHEREIN T IS FROM O TO 2, AND X IS A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF HALOGEN, HYDROCARBYLOXY, HYDROCARBYLTHIO, ACYLOXY, ACYLTHIO, AMINO OR SUBSTITUTED AMINO, CARBOXYL, OR SALT, NITRILE, AMIDE, ESTER OR ACID HALIDE OF CARBOXYL, -NCO AND-NCS.
Inventors
- 👤 Edward D Weil
- 👤 Keith J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:33
CPC Classifications
C; C07; C07D; C07D335/00; C07D335/04; A; A01; A01N; A01N57/00
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) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |