Patent US3658844A successfully refreshed from Google Patents.
US3658844A
Expired / Lapsed
US
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Substituted 1 3-dithian-5-ones
Assignee: Wyeth Holdings LLC
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Filing: 1970-07-02
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Granted: 1972-04-25
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Expires: 1990-07-02
Abstract
Abstract NOVEL SUBSTITUTED 1,3-DITHIAN-5-ONES OF THE FORMULA: 2-A,4-R,6-R1-1,3-DITHIAN-5-ONE WHEREIN R AND R1 ARE MEMBERS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL; A IS A MEMBER OF THE GROUP CONSISTING OF: =C(-CN)2 AND =N-SO2-R3 AND R3 CAN BE THE PHENYL, TOLYL OR NAPHTHYL RADICAL. THESE COMPOUNDS ARE USEFUL AS BACTERICIDES, FUNGICIDES AND HERBICIDES.
Inventors
- 👤 William Lindsay Mosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:37
CPC Classifications
C; C07; C07D; C07D339/00; C07D339/08
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) | 1975-04-25 | 1975-10-25 | 1976-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-25 | 1979-10-25 | 1980-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-25 | 1983-10-25 | 1984-04-25 | $7700.00 | Window Closed / Lapsed |