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US3729416A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid softening rinsing agent compositions

Assignee: Henkel AG and Co KGaA
•
Filing: 1971-05-24
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Granted: 1973-04-24
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Expires: 1991-05-24
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Abstract

Abstract LIGUID SOFTENING RINSING AGENT COMPOSITIONS FOR WASHED TEXTILES CONTAINING, IN THE RINSE LIQUID, FROM 0.1 TO 2.0 GM./1. OF AN UNSATURATED CARBOXYLIC ACID ESTER OF THE FORMULA A-(COO-CH2-CH(-OH)-CH2-N(-R1)(-R2)-R3)N (X(-))N WHEREIN R1 AND R2 ARE SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ALKENYL HAVING FROM 10 TO 24 CARBON ATOMS, R3 IS ALKYL HAVING 1 TO 4 CARBON ATOMS, A IS SELECTED FROM THE GROUP CONSISTING OF ALKENYL AND ALKENYLENE HAVING FROM 2 TO 5 CARBON ATOMS, X IS AN ANION SELECTED FROM THE GROUP CONSISTING OF HALIDE AND THE ANION OF AN ORGANIC, NON-SURFACE-ACTIVE ACID AND N IS AN INTEGER OF 1 OR 2. LIQUID COMPOSITIONS CONTAINING FROM 1 TO 25% BY WEIGHT OF SAID CARBOXYLIC ACID ESTERS AND THE PROCESS OF SOFTENING WASHED TEXTILES ARE ALSO DISCLOSED.

Inventors

  • 👤 J Bruening
  • 👤 H Eckert
  • 👤 A Heins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:03
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/62; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46

Claims Analysis

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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) 1976-04-23 1976-10-23 1977-04-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-04-23 1980-10-23 1981-04-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-04-23 1984-10-23 1985-04-24 $7700.00 Window Closed / Lapsed

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