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US3557211A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted n,n'-bis(acetyl)-o-phenylene diamines

Assignee: Tenneco Chemicals Inc
•
Filing: 1967-10-25
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Granted: 1971-01-19
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Expires: 1987-10-25
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Abstract

Abstract COMPOUNDS HAVING THE STRUCTURAL FORMULA 1,2-BIS((X-)3-C-CO-NH-),(Y)N-BENZENE WHEREIN EACH X REPRESENTS HYDROGEN, CHLORINE, OR FLUORINE AND EACH Y REPRESENTS, HALOGEN, LOWER ALKYL, LOWER ALKOXY, CYANO, TRIFLUOROMETHYL, OR NITRO, AND N REPRESENTS AN INTEGER IN THE RANGE OF FOUR; ARE USEFUL IN THE CONTROL OF THE GROWTH OF PLANTS; INSECTS, AND FUNGI. ILLUSTRATIVE OF THESE COMPOUNDS ARE N,N''-BIS(TRICHLOROACETYL)-4,5-DICHLORO-OPHENYLENE DIAMINE, N,N''-BIS(CHLOROACETYL)-4,5-DICHLOROO-PHENYLENE DIAMINE, AND N,N''-BIS(TRIFLUOROACETYL)-3,4,5TRIBROMO-O-PHENYLENE DIAMINE.

Inventors

  • 👤 Edmund J Rumanowski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:27
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/18; A01N37/22; C; C07; C07C; C07C233/00

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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