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US3556767A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of selectively killing undesirable weeds

Assignee: Millennium Petrochemicals Inc
•
Filing: 1967-07-24
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Granted: 1971-01-19
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Expires: 1987-07-24
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Abstract

Abstract A POST-EMERGENCE HERBICIDAL COMPOSITION IS PROVIDED WHICH COMPRISES AN EMULSION CONTAINING WATER, A NONIONIC EMULSIFIER, AND AN ALIPHATIC ALCOHOL CONTAINING 4 TO 22 CARBON ATOMS. THE HERBICIDES ARE EFFECTIVE IN KILLING SUCH WEEDS AS MUSTARD, FOXTAIL, CRABGRASS AND PIGWEED, AND CAN BE MADE SELECTIVE SO AS TO HAVE NO SUBSTANTIAL ADVERSE EFFECT ON CERTAIN DESIRED CROPS SUCH AS BEANS AND COTTON WHILE BEING TOXIC TO CERTAIN UNDESIRABLE PLANTS.

Inventors

  • 👤 Kenneth T Mecklenborg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:06
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02; A01N25/04; A01N31/00; A01N31/02

Claims Analysis

Total Claims: 0
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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) 1974-01-18 1974-07-20 1975-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-18 1978-07-20 1979-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-18 1982-07-20 1983-01-19 $7700.00 Window Closed / Lapsed

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