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US3635994A Expired / Lapsed US ⏱️ 0.0 years remaining

Halopyridine sulfenyl- and sulfonylhalides

Assignee: Dow Chemical Co
•
Filing: 1969-09-26
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Granted: 1972-01-18
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Expires: 1989-09-26
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Abstract

Abstract THIS DISCLOSURE IS DIRECTED TO SULFUR CONTAINING SUBSTITUTED PYRIDINE COMPOUNDS CORRESPONDING TO THE FORMULA PY-M-D WHEREIN D REPRESENTS CHLORINE, BROMINE OR FLUORINE: M REPRESENTS SULFENYL (-S-) OR SULFONYL >SO2 AND PY REPRESENTS ONE OF THE SUBSTITUTED PYRIDYL RADICALS (2-R,3,5-DI(CL-),6-J-PYRID-4-YL); (2-A,3,5,6-TRI(X2-)-PYRID-4-YL); (2-Q,3,5-DI(X-),6-Z-PYRID-4-YL); (2,6-DI(X-),3-(CL-)-PYRID-4-YL); (2,3,6-TRI(X-),5-(NC-)-PYRID-4-YL); OR (2-(CL-),6-(F3C-)-PYRID-4-YL) IN WHICH X2 REPRESENTS BROMINE OR FLUORINE; X REPRESENTS CHLORINE OR X2;A REPRESENTS HYDROGEN OR X2; R REPRESENTS HYDROGEN OR X; J REPRESENTS TRICHLOROMETHYL, TIFLUOROMETHYL OR R; Q REPRESENTS METHYL SUFLONYL (CH3-SO2-) OR R AND Z REPRESENTS CYANO (-CN) OR METHYL SULFONYL, WITH THE PROVISO THAT D IS FLUORINE ONLY WHEN M IS SULFONYL. THE PREPARATION AND USE OF THESE COMPOUNDS AS PESTICIDES IS ALSO DISCLOSED.

Inventors

  • 👤 Penelope B Domenico

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:50
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/84; C07D213/62; C07D213/70; C07D213/71

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-17 1975-07-19 1976-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-17 1979-07-19 1980-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-17 1983-07-19 1984-01-18 $7700.00 Window Closed / Lapsed

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