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US3119831A Expired / Lapsed US ⏱️ 0.0 years remaining

N-2-pyridyl-n'-(n-octyl or n-dodecyl)-formamidine

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1960-06-29
•
Granted: 1964-01-28
•
Expires: 1980-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Homer Ronald Frederick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:05
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/74; A; A01; A01N; A01N37/00; A01N37/52; A01N43/00; A01N43/34; A01N43/40

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 1 words
N-2-PYRIDYL-N''-N-OCTYLFORMAMIDINE.
Claim 2
Dependent Claim 1 words
N-2-PYRIDYL-N''-N-OCTYLFORMAMIDINE.
Claim 3
Dependent Claim 1 words
N-2-PYRIDYLL-N''-N-DODECYLFORMAMIDINE.
Claim 4
Dependent Claim 1 words
N-2-PYRIDYLL-N''-N-DODECYLFORMAMIDINE.

References Cited (Backward Citations)

US2734815A Cited
US2583729A Cited
US2614917A Cited
US2692284A Cited
US2765340A Cited
US2703333A Cited
US2909527A Cited
US2924604A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-01-27 1967-07-29 1968-01-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-01-27 1971-07-29 1972-01-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-01-27 1975-07-29 1976-01-28 $7700.00 Window Closed / Lapsed

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