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US3555056A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel amide and a novel diacyl derivative of a triaza alkane

Assignee: Honeywell International Inc
•
Filing: 1968-10-14
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Granted: 1971-01-12
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Expires: 1988-10-14
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Abstract

Abstract A NOVEL AMIDE HAVING THE GENERAL FORMULA: BIS((CH3-R-CO-NH-(CH2)X-)2-N-CO-(CH2)N-)BENZENE WHEREIN THE HEXAGON REPRESENTS THE BENZENE NUCLEUS, R IS A DIVALENT RADICAL CONTAINING UP TO BOUT 30 CARBON ATOMS WHICH CAN BE LINEAR OR BRANCHES ALIPHATIC, N IS AN INTEGER FROM 0 TO ABOUT 6, X IS AN INTEGER FROM 2 TO ABOUT 6, AND THE -CO-(CH2)N- RADICALS CONNECTED TO THE BENZENE NUCLEUS ARE RELATIVELY DISPOSED IN THE ORTHO, META, OR PARA POSITIONS. THE NOVEL AMIDE IS PREPARED FROM A NOVEL DIACYL DERIVATIVE OF A TRIAZA ALKANE HAVING THE GENERAL FORMULA: CH3-R-CO-NH-(CH2)X-NH-(CH2)X-NH-CO-R-CH3 WHEREIN R IS A DIVALENT RADICAL CONTAINING UP TO ABOUT 30 CARBON ATOMS WHICH CAN BE LINEAR OR BRANCHED ALIPHATIC AND X IS AN INTEGER FROM 2 TO ABOUT 6. THESE COMPOUNDS ARE USEFUL IN INCREASING THE SOIL RESISTANCE OF SYNTHETIC FIBERS.

Inventors

  • 👤 Lamberto Crescentini
  • 👤 Robert C Wincklhofer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-10 02:32
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/405

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) 1974-01-11 1974-07-13 1975-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-11 1978-07-13 1979-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-11 1982-07-13 1983-01-12 $7700.00 Window Closed / Lapsed

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