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US2762697A Expired / Lapsed US ⏱️ 0.0 years remaining

N-(alkylmercaptoalkyl) polyamine herbicides

Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-06-23
•
Granted: 1956-09-11
•
Expires: 1971-06-23
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Abstract

No abstract record available.

Inventors

  • 👤 Edward L Doerr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 05:43
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 30 words
THE METHOD OF DESTROYING UNDESIRABLE PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A TOXIC QUANTITY OF A HERBICIDAL COMPOSITION CONTAINING AS THE ACTIVE INGREDIENT A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Independent Claim 30 words
THE METHOD OF DESTROYING UNDESIRABLE PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A TOXIC QUANTITY OF A HERBICIDAL COMPOSITION CONTAINING AS THE ACTIVE INGREDIENT A COMPOUND HAVING THE GENERAL FORMULA:

References Cited (Backward Citations)

GB292615A Cited
US2216958A Cited
GB604675A Cited
US2322761A Cited
US2401234A Cited
US2516560A Cited
US2412510A Cited
US2523177A Cited
US2623831A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-09-11 1960-03-12 1960-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-09-11 1964-03-12 1964-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-09-11 1968-03-12 1968-09-11 $7700.00 Window Closed / Lapsed

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