← Back to Patent Explorer
US4153570A Expired / Lapsed US ⏱️ 0.0 years remaining

Low-foaming liquid washing agent concentrates

Assignee: Henkel AG and Co KGaA
•
Filing: 1978-01-30
•
Granted: 1979-05-08
•
Expires: 1998-01-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Low foaming, liquid, aqueous washing agent concentrate comprising (a) 5 to 12 weight % of a linear sodium alkyl benzene sulfonate with 10-13 carbon atoms in the alkyl chain and/or of a linear secondary sodium alkane sulfonate with 14-18 carbon atoms: (b) 2 to 6 weight % of a linear sodium alkyl polyglycol ether sulfate with 10-16 carbon atoms in the alkyl chain and 1-3 ethylene glycol ether groups; (c) 2 to 6 weight % of a sodium or potassium soap of mainly saturated fatty acids with 12-18 carbon atoms, 50-90 weight % of which have 16-18 carbon atoms; (d) 15 to 28 weight % of a mixture of ethoxylated alcohols, consisting of (i) 30-50 weight % of linear primary ethoxylated alcohols with 16-18 carbon atoms and 8-12 glycol ether groups and (ii) 30-50 weight % of linear primary ethoxylated alcohols with 16-18 carbon atoms and 3-7 glycol ether groups, both of said ethoxylated alcohols having a ratio of saturated to mono-unsaturated hydrocarbon residues of 1:4 to 4:1, and (iii) 10-30 weight % of linear and/or 2-methyl substituted primary saturated ethoxylated alcohols with 10-15 carbon atoms and 4-9 glycol ether groups; (e) 2 to 7 weight % of a fatty acid diethanolamide with 10-16 carbon atoms in the fatty acid residue; (f) 4 to 10 weight % of a toluene, xylene or isopropylbenzene sulfonate in the form of the sodium, potassium or triethanolamine salt; and (g) 2 to 7 weight % of an alkanol with 1-3 carbon atoms; And the remainder water and optionally other conventional ingredients, wherein the total weight of all the anhydrous components of said concentrate amounts to between 40 and 65 weight % thereof.

Inventors

  • 👤 Manfred Hennemann
  • 👤 Albrecht Lohr
  • 👤 Peter Krings

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:08
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0026; C11D10/00; C11D10/04; C11D3/16; C11D3/34; C11D3/3418; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143; C11D1/22; C11D1/29; C11D1/38; C11D1/52; C11D1/523; C11D1/66; C11D1/72

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 413 words
A low-foaming, liquid, aqueous washing agent concentrate consisting essentially of: (a) from 5% to 12% by weight of a member selected from the group consisting of a linear sodium alkyl benzene sulfonate having from 10 to 13 carbon atoms in the alkyl chain, a linear secondary sodium alkane sulfonate having from 14 to 18 carbon atoms, and a mixture thereof; (b) from 2% to 6% by weight of a linear sodium alkylpolyglycol ether sulfate having from 10 to 16 carbon atoms in the alkyl chain and from 1 to 3 ethylene glycol ether groups; (c) from 2% to 6% by weight of a potassium or sodium soap composed of mainly saturated fatty acids having from 12 to 18 carbon atoms, of which 50% to 90% by weight have from 16 to 18 carbon atoms; (d) from 15% to 28% by weight of a mixture of ethoxylated alcohols, composed of (i) from 30% to 50% by weight of linear primary ethoxylated alcohols having from 16 to 18 carbon atoms and 8 to 12 glycol ether groups and (ii) from 30% to 50% by weight of linear primary ethoxylated alcohols having from 16 to 18 carbon atoms and 3 to 7 glycol ether groups, both types of said ethoxylated alcohols having a ratio of saturated to mono-unsaturated hydrocarbon radicals of from 1:4 to 4:1, and (iii) from 10% to 30% by weight of a member selected from the group consisting of linear, primary, saturated ethoxylated alcohols, primary saturated ethoxylated alcohols having a methyl group in the 2-position, and mixtures thereof, said primary saturated ethoxylated alcohols having from 10 to 15 carbon atoms and from 4 to 9 glycol ether groups; (e) from 2% to 7% by weight of a diethanolamide of fatty acids having from 10 to 16 carbon atoms in the fatty acid radial; (f) from 4% to 10% by weight of a member selected from the group consisting of toluene sulfonate, xylene sulfonate and isopropylbenzene sulfonate in the form of the sodium, potassium or triethanolamine salt; and (g) from 2% to 7% by weight of an alkanol having from 1 to 3 carbon atoms; and the remainder of said concentrate being water and optionally other conventional ingredients; with the proviso that (1) the total of all anhydrous components of said concentrate is from 40% to 65% by weight of said concentrate, (2) phosphates and salts of polymer carboxylic acids are absent, and (3) the content of alkanolamines is kept below 3% by weight.
Claim 2
Dependent Claim 413 words
A low-foaming, liquid, aqueous washing agent concentrate consisting essentially of: (a) from 5% to 12% by weight of a member selected from the group consisting of a linear sodium alkyl benzene sulfonate having from 10 to 13 carbon atoms in the alkyl chain, a linear secondary sodium alkane sulfonate having from 14 to 18 carbon atoms, and a mixture thereof; (b) from 2% to 6% by weight of a linear sodium alkylpolyglycol ether sulfate having from 10 to 16 carbon atoms in the alkyl chain and from 1 to 3 ethylene glycol ether groups; (c) from 2% to 6% by weight of a potassium or sodium soap composed of mainly saturated fatty acids having from 12 to 18 carbon atoms, of which 50% to 90% by weight have from 16 to 18 carbon atoms; (d) from 15% to 28% by weight of a mixture of ethoxylated alcohols, composed of (i) from 30% to 50% by weight of linear primary ethoxylated alcohols having from 16 to 18 carbon atoms and 8 to 12 glycol ether groups and (ii) from 30% to 50% by weight of linear primary ethoxylated alcohols having from 16 to 18 carbon atoms and 3 to 7 glycol ether groups, both types of said ethoxylated alcohols having a ratio of saturated to mono-unsaturated hydrocarbon radicals of from 1:4 to 4:1, and (iii) from 10% to 30% by weight of a member selected from the group consisting of linear, primary, saturated ethoxylated alcohols, primary saturated ethoxylated alcohols having a methyl group in the 2-position, and mixtures thereof, said primary saturated ethoxylated alcohols having from 10 to 15 carbon atoms and from 4 to 9 glycol ether groups; (e) from 2% to 7% by weight of a diethanolamide of fatty acids having from 10 to 16 carbon atoms in the fatty acid radial; (f) from 4% to 10% by weight of a member selected from the group consisting of toluene sulfonate, xylene sulfonate and isopropylbenzene sulfonate in the form of the sodium, potassium or triethanolamine salt; and (g) from 2% to 7% by weight of an alkanol having from 1 to 3 carbon atoms; and the remainder of said concentrate being water and optionally other conventional ingredients; with the proviso that (1) the total of all anhydrous components of said concentrate is from 40% to 65% by weight of said concentrate, (2) phosphates and salts of polymer carboxylic acids are absent, and (3) the content of alkanolamines is kept below 3% by weight.
Claim 3
Dependent Claim 16 words
The concentrate of claim 1 which contains from 6% to 10% by weight of component (a).
Claim 4
Dependent Claim 12 words
The concentrate of claim 2 wherein component (a) is sodium n-dodecyl-benzene sulfonate.
Claim 5
Dependent Claim 16 words
The concentrate of claim 1 which contains from 3% to 5% by weight of component (b).
Claim 6
Dependent Claim 22 words
The concentrate of claim 4 wherein component (b) is the sodium salt of the diglycol ether sulfate of alcohols from coconut oil.
Claim 7
Dependent Claim 16 words
The concentrate of claim 1 which contains from 3% to 5% by weight of component (c).
Claim 8
Dependent Claim 32 words
The concentrate of claim 6 wherein component (c) consists of sodium soaps of a mixture of coconut oil fatty acids and tallow fatty acids in a weight/weight ratio of 1:4 to 1:20.
Claim 9
Dependent Claim 16 words
The concentrate of claim 1 which contains from 16% to 25% by weight of component (d).
Claim 10
Dependent Claim 150 words
The concentrate of claim 8 wherein component (d) is a mixture of ethoxylated alcohols of the following composition: (i) 35% to 45% by weight of linear, primary ethoxylated alcohols having an average of from 9 to 11 glycol ether groups, and (ii) 35% to 45% by weight of linear, primary ethoxylated alcohols having an average of from 4 to 6 glycol ether groups, wherein the alcohol radicals of said ethoxylated alcohols having from 16 to 18 carbon atoms consist of saturated and mono-unsaturated hydrocarbon radicals in a ratio of 1:2 to 2:1, and (iii) 15% to 25% by weight of a member selected from the group consisting of linear, primary, saturated ethoxylated alcohols, primary saturated ethoxylated alcohols having a methyl group in the 2-position, and mixtures thereof, said primary saturated ethoxylated alcohols having from 10 to 15 carbon atoms and having an average of 5 to 7 glycol ether groups.
Claim 11
Dependent Claim 22 words
The concentrate of claim 9 wherein the primary saturated ethoxylated alcohols of composition component (iii) have from 12 to 15 carbon atoms.
Claim 12
Dependent Claim 16 words
The cencentrate of claim 1 which contains from 3% to 6% by weight of component (e).
Claim 13
Dependent Claim 25 words
The concentrate of claim 11 wherein component (e) consists of fatty acid diethanolamides having from 12 to 14 carbon atoms in the fatty acid radical.
Claim 14
Dependent Claim 16 words
The concentrate of claim 1 which contains from 5% to 8% by weight of component (f).
Claim 15
Dependent Claim 12 words
The concentrate of claim 13 wherein component (f) is potassium toluene sulfonate.
Claim 16
Dependent Claim 16 words
The concentrate of claim 1 which contains from 3% to 6% by weight of component (g).
Claim 17
Dependent Claim 10 words
The concentrate of claim 15 wherein component (g) is ethanol.
Claim 18
Dependent Claim 41 words
The concentrate of claim 1 which contains from 0.1% to 2% by weight of at least one complexing agent selected from the group consisting of aminopolyphosphonic acids, aminopolycarboxylic acids, and mixtures thereof in the form of the sodium or potassium salt.
Claim 19
Dependent Claim 17 words
The concentrate of claim 17 which contains from 0.2% to 1% by weight of said complexing agent.
Claim 20
Dependent Claim 17 words
The concentrate of claim 18 wherein said complexing agent is the sodium salt of ethylenediamine tetraacetic acid.
Claim 21
Dependent Claim 18 words
The concentrate of claim 1 which contains from 0.001% to 0.5% by weight of a water-soluble optical brightener.
Claim 22
Dependent Claim 38 words
The concentrate of claim 1 wherein said other conventional ingredients optionally present are members selected from the group consisting of organic complexing agents, water-soluble optical brighteners, preservatives, dyes, perfumes, additives that impart a pearly luster and finishing agents.

References Cited (Backward Citations)

US3714074A Cited
US3943178A Cited
US4058473A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-05-07 1982-11-06 1983-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-05-07 1986-11-06 1987-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-05-07 1990-11-06 1991-05-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag