Church Dwight & Co., Inc.

Charles D Carr

Francis R Cala

John Ip

Anthony J Falotico

Joseph G Becker

Steven A Bolkan

Bruce R Conley

Archana Gupta

A process for the preparation of mixed ethoxylated alkyl phenol/alkyl phenol ethoxy sulfate surfactants, such surfactants, and detergent formulations incorporating the same. The mixed surfactants are more tolerant of sodium carbonate, allowing greater amounts of sodium carbonate to be used so that the amount of surfactant can be reduced resulting in overall cost savings in the resultant laundry product.

Alkylaryl-o-ethoxylate blends with their respective sulfates

The present invention is a laundry detergent booster liquid composition comprising from about 0.3% to about 7% of a soluble alkali metal carbonate, especially sodium carbonate in an aqueous solution. The booster liquid formulation may contain additional laundry detergent additive materials such as thickening agents, optical brighteners, anti-redeposition agents, surfactants, phosphates, dyes, and fragrances in addition to the alkali metal carbonate.

Carbonate based liquid laundry detergent booster

A liquid aqueous, laundry detergent composition which has a pH in the range of about 7.0 to about 12.2 and comprises at least one active surfactant; an at least partially neutralized polymer of an .alpha.,.beta.-monoethylenically unsaturated carboxylic acid containing no more than nine carbon atoms which is either (1) a homopolymer of such an unsaturated carboxylic acid, (2) a copolymer of monomers consisting of at least two of such unsaturated carboxylic acids, or (3) a copolymer of monomers consisting of at least 50 mol % of at least one of such unsaturated carboxylic acids with at least one non-carboxylic acid .alpha.,.beta.-monoethylenically unsaturated comonomer containing no more than nine carbon atoms, said polymer having a number average molecular weight of up to about 10,000 and being present in an amount equivalent to at least about 0.025 wt. % of the corresponding unneutralized polymer; and about 30 to about 95 wt. % of water, based on the total weight of the composition. Articles washed with the liquid detergent composition of this invention exhibit unexpectedly less soil redeposition than articles washed with a similar composition but which does not contain such at least partially neutralized polymer.

Liquid laundry detergent composition containing a completely or

A laundry detergent composition in which the solids content comprises an active surfactant, at least about 60 wt. %, based on the weight of the solids of a soluble alkaline carbonate builder, and a minor amount of a carboxylic polymer which is a copolymer of about 70 to about 95 wt. % of acrylic acid and about 5 to about 30 wt. % of maleic acid based on the weight of the polymer, such copolymer having a number average molecular weight of about 1500 to about 2500. Preferably the composition also contains a minor amount of a protease enzyme.

Carbonate built laundry detergent containing a carboxylic polymer as an

A liquid aqueous laundry detergent composition having improved cleaning properties and comprising a nonionic surfactant; about 0.25 to about 20 wt. % of an N--C.sub.8 --C.sub.20 alkyl and/or N-unsaturated C.sub.16 -C.sub.18 hydrocarbyl amine of a C.sub.1 -C.sub.7 monocarboxylic acid or salt thereof as an amphoteric surfactant; an alkaline substance in an amount sufficient to cause the wash liquor containing said detergent composition to have a pH of about 8 to about 11 determined ten minutes after the initiation of washing under standard conditions; and about 30 to about 95 wt. % of water, based on the total weight of the composition.

Liquid laundry detergent composition containing nonionic and amphoteric

Carbonate built laundry detergents having improved cleaning properties and comprising two ethoxylated fatty alcohol nonionic surfactants having different average numbers of carbon atoms in the fatty alcohol and average numbers of ethoxy groups, a sulfated ethoxylated fatty alcohol anionic surfactant, and an N-alkyl and/or unsaturated hydrocarbyl amine of an alkanoic acid or salt thereof as an amphoteric surfactant.

Carbonate built laundry detergent composition

A non-bleaching cleaning composition, e.g. laundry detergent, wherein the solids content comprises at least about 70 wt. % of sodium carbonate, and up to about 12 wt. % of elemental magnesium in the form of a water soluble salt, e.g., magnesium sulfate or magnesium chloride, based on the total weight of the solids composition. Preferably the composition also contains an active surfactant and, when used as a laundry detergent, a polymeric polycarboxylate, e.g., an acrylic acid polymer. Incorporation of magnesium ions in the foregoing cleaning composition containing carbonate ions is intended to minimize negative interactions that will occur between the precipitation of calcium carbonate and the substrate being cleaned, e.g., fabric encrustation when the composition is used as a laundry detergent.

Carbonate built cleaning composition containing added magnesium

This invention provides a liquid laundry detergent product with high detergency and freeze/thaw and high/low temperature stability. The detergent product is an aqueous medium having a content of sodium carbonate detergent builder, and a surfactant blend of specific amounts of two anionic salt compounds and two nonionic compounds of specific chemical structure, and an amphoteric compound.

Clear, homogeneous and temperature-stable liquid laundry detergent

This invention provides a liquid laundry detergent product with freeze/thaw and high/low temperature stability. The detergent product is an aqueous medium having a content of sodium carbonate detergent builder, and a surfactant blend of specific amounts of two anionic salt compounds and two nonionic compounds of specific chemical structure.

Carbonate built laundry detergents having improved cleaning properties and comprising an ethoxylated fatty alcohol nonionic surfactant, a sulfated ethoxylated fatty alcohol anionic surfactant, and an N-alkyl and/or unsaturated hydrocarbyl amine of an alkanoic acid or salt thereof as an amphoteric surfactant.

Carbonate built laundry detergents having improved cleaning properties and comprising a sulfated ethoxylated fatty alcohol anionic surfactant and two ethoxylated fatty alcohol nonionic surfactants having different average numbers of carbon atoms in the fatty alcohol and average numbers of ethoxy groups.

A non-bleaching laundry detergent composition, wherein the solids content comprises an active surfactant, at least about 70 wt. % of a water soluble alkaline carbonate, e.g., sodium carbonate, a minor amount of a polymeric polycarboxylate, e.g., an acrylic acid polymer, and a minor amount of elemental zinc in the form of a water soluble salt, e.g., a hydrated or anhydrous zinc sulfate, such as zinc sulfate heptahydrate or monohydrate, based on the total weight of solids in the composition. Incorporation of a polymeric polycarboxylate and zinc ions in the foregoing laundry detergent composition containing carbonate ions has the effect of significantly reducing fabric encrustation caused by the precipitation of calcium carbonate.

Carbonate built non-bleaching laundry detergent composition containing a

A powdered laundry detergent composition comprising an active surfactant, at least about 70 wt. % of a water soluble alkaline carbonate salt, e.g., sodium carbonate, about 0.1 to 2 wt. % of a phosphorus-containing sequestering agent, e.g., sodium tripolyphosphate (STPP), about 0.1 to 2 wt. % of a polymeric polycarboxylate, e.g., a polyacrylate or a polymaleate, and about 1-12 wt. % water. Use of the foregoing detergent composition provides excellent cleaning and whitening of fabrics while avoiding the problem of eutrophication which occurs when a substantial amount of a phosphorus containing builder such as STPP is present in the composition, and while minimizing the problem of fabric encrustation often present when the composition contains a large amount of carbonate builder.

A laundry detergent composition, wherein the solids content comprises an active surfactant, at least about 70 wt. % of a water soluble alkaline carbonate, e.g., sodium carbonate, up to about 12 wt. % of elemental magnesium in the form of a water soluble salt, e.g., magnesium sulfate or magnesium chloride, and about 0.05 to 5 wt. % of a polymeric polycarboxylate, e.g., an acrylic acid polymer, based on the total weight of solids in the composition. Incorporation of magnesium ions in the foregoing laundry detergent composition containing carbonate ions is intended to minimize negative interactions that will occur between the precipitation of calcium carbonate and the surfaces of the fabric being cleaned, e.g., fabric encrustation, with an enhancement of this effect due to the presence of the polymeric polycarboxylate.

A laundry detergent composition, wherein the solids content comprises an active surfactant, at least about 70 wt. % of a water soluble alkaline carbonate, e.g., sodium carbonate, a minor amount of elemental strontium in the form of a water soluble salt, e.g., strontium chloride, and, optionally, a minor amount of a polymer polycarboxylate, e.g., an acrylic acid polymer, based on the total weight of solids in the composition. Incorporation of strontium ions in the foregoing laundry detergent composition containing carbonate ions is intended to minimize negative interactions that will occur between the precipitation of calcium carbonate and the surfaces of the fabric being cleaned, e.g., fabric encrustation, with an enhancement of this effect when polymeric polycarboxylate is present.

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Yardley, PA, United States of America

Charles D Carr