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US3928608A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain quinoxaline N-oxides used to combat fungi

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1973-02-26
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Granted: 1975-12-23
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Expires: 1993-02-26
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Abstract

Abstract A method of combating fungi which comprises contacting the fungi or loci thereof with a fungicidally effective amount of a quinoxaline derivative of the formula: OR A SALT THEREOF WHEREIN R is selected from the group consisting of SO2X, SOX and SX where X contains from 1 to 7 carbon atoms and is selected from the group consisting of unsubstituted alkyl, alkenyl, alkynyl, aryl, alkaryl and aralkyl; or alkyl containing 1-7 carbon atoms substituted with halogen, carboxy, ethoxy carbonyl or thiocyano.

Inventors

  • 👤 John Michael Cox
  • 👤 Raymond Alexander Burrell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:24
CPC Classifications
C; C07; C07D; C07D241/00; C07D241/36; C07D241/50; C07D241/52

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 26 words
A METHOD OF COMBATING FUNGI WHICH COMPRISES CONTACTING SAID FUNGI OR THE LOCI THEREOF WITH A FUNGICIDALLY EFFECTIVE AMOUNT OF A QUINOXALINE DERIVATIVE HAVING THE FORMULA:
Claim 2
Independent Claim 26 words
A METHOD OF COMBATING FUNGI WHICH COMPRISES CONTACTING SAID FUNGI OR THE LOCI THEREOF WITH A FUNGICIDALLY EFFECTIVE AMOUNT OF A QUINOXALINE DERIVATIVE HAVING THE FORMULA:
Claim 3
Dependent Claim 12 words
The method of claim 1 wherein the quinoxaline derivative has the formula:

References Cited (Backward Citations)

US2644000A Cited
US3344022A Cited
US3803145A Cited
US3720673A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-12-22 1979-06-23 1979-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-12-22 1983-06-23 1983-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-12-22 1987-06-23 1987-12-23 $7700.00 Window Closed / Lapsed

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