← Back to Patent Explorer
US3637366A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and composition therefor

Assignee: OM Scott and Sons Co
•
Filing: 1969-09-04
•
Granted: 1972-01-25
•
Expires: 1989-09-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The herbicidal use of aminobenzenesulfonamides.

Inventors

  • 👤 Ronald E Wietelmann
  • 👤 Lawrence S Wittenbrook

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 02:23
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/69; A; A01; A01N; A01N41/00; A01N41/02; A01N41/04; A01N41/06; A01N43/00; A01N43/48; A01N43/54; C07C; C07C311/00; C07C311/30; C07C311/37

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 10 words
The method of claim 1, wherein the compound is N1-2-pyrimidinylsulfanilamide.
Claim 2
Dependent Claim 10 words
The method of claim 1, wherein the compound is N1-(4-methyl-2-pyrimidinyl)-sulfanilamide.
Claim 3
Independent Claim 41 words
The method of crabgrass control comprising applying to the area to be treated a phytotoxic amount of a compound having the formula where R1 is H or lower saturated aliphatic acyl and R2 is lower alkyl substituted 2-pyrimidinyl or unsubstituted 2-pyrimidinyl.
Claim 4
Dependent Claim 10 words
The method of claim 4, wherein the compound is N1-2-pyrimidinylsulfanilamide.
Claim 5
Dependent Claim 10 words
The method of claim 4, wherein the compound is N1-(4-methyl-2-pyrimidinyl)-sulfanilamide.
Claim 6
Independent Claim 42 words
The method of Poa annua control comprising applying to the area to be treated a phytotoxic amount of a compound having the formula where R1 is H or lower saturated aliphatic acyl and R2 is lower alkyl substituted 2-pyrimidinyl or unsubstituted 2-pyrimidinyl.
Claim 7
Dependent Claim 10 words
The method of claim 7, wherein the compound is N1-2-pyrimidinylsulfanilamide.
Claim 8
Dependent Claim 10 words
The method of claim 7, wherein the compound is N1-(4-methyl-2-pyrimidinyl)-sulfanilamide.

References Cited (Backward Citations)

US2259222A Cited
US2238973A Cited
US3367949A Cited
US3498780A Cited
US3482957A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-24 1975-07-26 1976-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-24 1979-07-26 1980-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-24 1983-07-26 1984-01-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag