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US2818367A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of inhibiting cereal plant rust with phenylhydrazones

Assignee: Monsanto Chemicals Ltd
•
Filing: 1954-09-21
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Granted: 1957-12-31
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Expires: 1974-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest G Jaworski
  • 👤 Van R Gaertner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:58
CPC Classifications
C; C07; C07C; C07C251/00; C07C251/72

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
THE METHOD OF INHIBITING THE DEVELOPMENT OF RUST ON CEREAL PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A RUST INHIBITING QUANTITY OF AN ERADICANT COMPOSITION CONTAINING AS THE ESSENTIAL ACTIVE INGREDIENT A HYDRAZONE HAVING THE FORMULA FIG -01 IN WHICH AR DENOTES AN AROMATIC HYDROCARBON NUCLEUS OF FROM 6 TO 12 CARBON ATOMS, N IS AN INTEGER OF 1 TO 2 AND R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HALOGEN, THE NITRO RADICAL, THE SULFONATE RADICAL, THE CYANO RADICAL, THE HYDROXY RADICAL, AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS, AN ALKOXY RADICAL OF FROM 1 TO 12 CARBON ATOMS, AND AN N-ALKYL SUBSTITUTED AMINO RADICAL HAVING FROM 1 TO 5 CARBON ATOMS IN THE ALKYL RADICAL, AND Y IS SELECTED FROM THE CLASS CONSISTING OF HYDRODGEN AND AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS.
Claim 2
Independent Claim 142 words
THE METHOD OF INHIBITING THE DEVELOPMENT OF RUST ON CEREAL PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A RUST INHIBITING QUANTITY OF AN ERADICANT COMPOSITION CONTAINING AS THE ESSENTIAL ACTIVE INGREDIENT A HYDRAZONE HAVING THE FORMULA FIG -01 IN WHICH AR DENOTES AN AROMATIC HYDROCARBON NUCLEUS OF FROM 6 TO 12 CARBON ATOMS, N IS AN INTEGER OF 1 TO 2 AND R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HALOGEN, THE NITRO RADICAL, THE SULFONATE RADICAL, THE CYANO RADICAL, THE HYDROXY RADICAL, AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS, AN ALKOXY RADICAL OF FROM 1 TO 12 CARBON ATOMS, AND AN N-ALKYL SUBSTITUTED AMINO RADICAL HAVING FROM 1 TO 5 CARBON ATOMS IN THE ALKYL RADICAL, AND Y IS SELECTED FROM THE CLASS CONSISTING OF HYDRODGEN AND AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS.

References Cited (Backward Citations)

US2054062A Cited
DE460545C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-30 1961-07-01 1961-12-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-30 1965-07-01 1965-12-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-30 1969-07-01 1969-12-31 $7700.00 Window Closed / Lapsed

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