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US4140641A Expired / Lapsed US ⏱️ 0.0 years remaining

Concentrated liquid detergent with fabric softener

Assignee: Colgate Palmolive Co
•
Filing: 1978-03-17
•
Granted: 1979-02-20
•
Expires: 1998-03-17
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Abstract

Abstract A highly concentrated single phase liquid detergent composition containing fabric softener is formulated from a nonionic surfactant and an imidazolinium quaternary ammonium fabric softener.

Inventors

  • 👤 Pallassana Ramachandran

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 00:27
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/47; D06M13/473

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 50 words
A single-phase liquid detergent-softener composition comprising: (a) from about 40% to about 70% by weight nonionic surfactant; (b) from about 15% to about 30% by weight of a softener selected from the group consisting of methyl (1) oleylamido ethyl (2) oleyl imidazolinium methyl sulfate and 1-methyl-1-tallowamido-ethyl-2-tallowimidazolinium methosulfate; (c) a solvent.
Claim 2
Dependent Claim 50 words
A single-phase liquid detergent-softener composition comprising: (a) from about 40% to about 70% by weight nonionic surfactant; (b) from about 15% to about 30% by weight of a softener selected from the group consisting of methyl (1) oleylamido ethyl (2) oleyl imidazolinium methyl sulfate and 1-methyl-1-tallowamido-ethyl-2-tallowimidazolinium methosulfate; (c) a solvent.
Claim 3
Dependent Claim 19 words
The detergent-softener composition of claim 1 wherein the softener is methyl (1) oleyl amido ethyl (2) imidazolinium sulfate methyl.
Claim 4
Dependent Claim 18 words
The detergent-softener composition of claim 2 wherein the softener is present in an amount of 21% by weight.
Claim 5
Dependent Claim 19 words
The detergent-softener composition of claim 3 wherein the nonionic surfactant is present in the amount of 60% by weight.
Claim 6
Dependent Claim 16 words
The detergent-softener composition of claim 2 wherein the nonionic surfactant is an ethoxylated linear aliphatic alcohol.
Claim 7
Dependent Claim 24 words
The detergent-softener composition of claim 5 wherein the nonionic surfactant is a C 12 -C 13 alcohol ethoxylated with 6.5 moles of ethylene oxide.
Claim 8
Dependent Claim 11 words
The detergent-softener composition of claim 1 including a compatible optical brightener.
Claim 9
Dependent Claim 11 words
The detergent-softener composition of claim 1 wherein the solvent is water.
Claim 10
Dependent Claim 33 words
The detergent-softener composition of claim 1 wherein the solvent is a mixture of water and a solvent selected from the group consisting of water-soluble lower alkyl monohydric alcohols, dihydric alcohols, and polyhydric alcohols.

References Cited (Backward Citations)

US3537993A Cited
US3681241A Cited
US3849435A Cited
US3920565A Cited
US3959157A Cited
US3951879A Cited
US3974076A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-02-19 1982-08-21 1983-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-02-19 1986-08-21 1987-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-02-19 1990-08-21 1991-02-20 $7700.00 Window Closed / Lapsed

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