Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/16—Sulfonic acids or sulfuric acid esters; Salts thereof derived from divalent or polyvalent alcohols
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/06—Phosphates, including polyphosphates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/34—Organic compounds containing sulfur
  • C11D3/3418—Toluene -, xylene -, cumene -, benzene - or naphthalene sulfonates or sulfates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/36—Organic compounds containing phosphorus
  • C11D3/362—Phosphates or phosphites

Definitions

• This invention is directed at the provision of liquid
• the corrosion inhibitor most effective in inhibiting corrosion of aluminum by alkaline phosphates is silicate of soda.
• silicate of soda In the compositions of the prior art, the addition of silicate of soda to an aqueous solution of an anionic synthetic detergent and an alkaline phosphate caused a separation, cloudiness, or livering.” This is described in U. S. Letters Patent 2,618,607, issued November 18, 1952, to Herbert L. Sanders.
• anionic synthetic detergents are not, unassisted, completely soluble in aqueous phosphate solutions of a concentration of 18% or more, even in the absence of silicate.
• the anionics salt out, forming a gummy layer at the top of the solution or a two phase system.
• Complete solution of anionic synthetic detergent in such phosphate solutions can be achieved, however, with a solubilizer, usually a sodium salt ofthe sulfonates of benzene or methyl substituted benzene.
• silicate of soda in amounts adequate to inhibit corrosion of aluminum during the use of the composition in cleansing operations, to those previously known phosphate solutions into which an anionic synthetic detergent has been thus solubilized, the silicate will not dissolve completely, but forms a gelatinous mass or a two phase system.
• a specific anionic synthetic detergent in aqueous liquid heavy duty detergent formulations has the property of solubilizing an alkali metal silicate in amounts adequate to inhibit corrosion by phosphates.
• Silicate of soda is preferred but potassium silicate may be used.
• the specific anionic synthetic detergent is a water soluble alkyl glyceryl ether sulfonate in which the alkyl radical is derived at least 50% from alcohols of 10 to 14 carbon atoms.
• a typical composition embodying this prior discovery may contain from about 6% to about 15% of salts of alkyl glyceryl ether sulfonate, 12% to 27% of potassium pyrophosphate, or potassium tripolyphosphate,2% to 6% of ethyl or isopropyl alcohol, or diethylene glycol monobutyl ether, 3.5% to 6% of silicate of soda (solids basis) of SiO :Na O ratio of 1.6:1 to 2.6:1, 3.0% to 8% of a solubilizing agent, and water to make 100%. This produces a clear solution at room temperature and remains clear down to about 50 F.
• alkyl glyceryl ether sulfonate used in both the prior discovery and in the present invention contains about 15% of diglyceryl ether sulfonates. This is only because of the ease of manufacturing this species. I The If one adds invention may be carried out with alkyl glyceryl ether,
• alkyl glyceryl ether sulfonate as used herein means any and all of the alkyl glyceryl ether sulfonates from'those containing only monoglyceryl, radicals to those. containing up to 30% diglyceryl radicals.
• the preferred alkyl glyceryl ether sulfonate is made" by reacting an alcohol or alcohol mixtures, containing at least 50% of'alkyl radicals of valcohols'of 10 to 14 carbon atoms, with from 100% to 130% of the theoretically required amount of epichlorohydrin.
• the alkyl chloroglyceryl ethers formed by the reaction of this alcohol and epichlorohydrin are converted to glycidyl ethers by heating with a caustic soda solution.
• the glycidyl ethers thus formed are sulfonated with an alkali metal bisulfite.
• the fatty alcohols used to prepare the alkyl glyceryl ether sulfonate there may be used the alcohols prepared by the 0x0 reaction from straight chain olefins. These should meet the same qualifications as to chain length as the fatty alcohols, that is, these should 1 contain at least 50% of alcohols of 10 to 14 carbons.
• solubilizing agents are useful in effecting complete solution of synthetic detergents in relatively concentrated electrolyte systems.
• amyl phosphate, or other trialkylphosphates where the sum of the carbons in the alkyl groups are not more than 15, are etlective.
• solubilizers found useful in contain only one alkyl-substituted or unsubstituted cyclicgroup containing a total of not more than 8 carbon atoms.
• hydrophilic portion of the molecule may be either. the water soluble salt .of a sulfonic acid radical (sulfo- It is to be understood that wherever hereinafter and in the claims the term anionic,
• solubilizer appears amaterial coming within the scope of the above definition is'intended.
• the solubilizer we prefer is sodium toluene sulfonate.
• Sodium benzene sulfonate and sodium xylene sulfonate are also effective but require slightly larger amountsto eifect blending.
• the present invention is based upon our discovery that the chill test-or resistance to clouding and separation at low temperatures-of the prior compositions described above is greatly improved by the addition of a second anionic synthetic detergent to the composition. If the alkyl glyceryl ether sulfonate is present in greater amounts than about 8% of the total.- composition, this addition'will be in the nature of a Patented Mar.
• Trialkyl phosphates t where the alkyl is of low molecular weight, such as tri- 3 substitution, the alkyl glyceryl ether sulfonate being reduced to about 8% to allow of the addition of the secnd anionic. If the alkyl glyceryl ether sulfonate is present in amounts of about 8% or less the second anionic may be added without reducing the alkyl glyceryl ether sulfonate.
• the sum of the twoanionic synthetics is preferably not more-than about 14%.
• the alkyl glyceryl ether sulfonate is at 8%, the second anionic can be 6%.
• the alkyl glyceryl ether sulfonate should bereduced accordingly, for instance 4% alkyl glyceryl ether sulfonate and 9% of the second anionic is a satisfactory combination.
• the second anionic will normally be present in the amounts from A to 6 times (6:1 ratio) the amount of the alkyl. glyceryl ether sulfonate, the sum of the two being not over about 14%.
• the re.- mainder will be alkyl glyceryl ether sulfonate.
• a coconut alkylol amide can be usedto enhance sudsing.
• Example I The composition has the. formula:
• This formulation will allow of a moderate amount of variation. varied between 2 and 9 parts, the alkyl benzene sulfonate between and 5 parts, the pyrophosphate between 18 and 22 parts, the alcohol between 3 and 5 parts, the amide from 1 to 3 parts, the silicate (solids basis) between 3.5 and 6 parts and the sodium toluene sulfonate between 2.5 and 9 parts, with water to make 100 parts.
• Example II The potassium alkyl glyceryl ether sulfonate was identical with that of Example I.
• the second anionic used was'themixture of'potassium salts of the sulfuric acid esters'of the product of the reaction of'3 moles of 'ethylene' oxide with 1 mole of middle cut coconut alcohols,
• the sodium toluene sulfonate was-
• the alkyl glyceryl ether sulfonate can be Parts by wt. Potassium alkyl glyceryl ether sulfonate, containing 66% of radicals from dodecyl alcohol the remainder being alcohols of 10, 14 and 16 carbons 8 Potassium alkyl (EtO) sulfate (defined above) 4 Potassium pyrophosphate 2O Coconut monoethanolamide 1 Ethyl alcohol 4 Sodium silicate solids of ratio SiO /Na O of 2.0:1 4 Sodium toluene sulfonate -a 6 Water -a. 53
• Thiscomposition was prepared by taking 48 parts of water and heating it to about 135 F. The temperature was maintained at about this point throughout the preparation.
• the potassium alkyl glyceryl ether sulfonate and the potassium alkyl (EtO) sulfate were dissolved in the heated water.
• the potassium pyrophosphate was added and dispersed.
• Sodium silicate solution containing 4' parts, of silicate solids and 5 parts of water was added.
• the coconut ethanolamide was dissolved in the alcohol and added. Then the sodium toluene sulfonate wasv added and the mixture well stirred to achieve blending.
• the clear solution was. then cooled to room temperature. It had good heavy duty detergent properties and did not separate when cooled to 50 F. but began to cloud at about 40 F.
• the alkyl glyceryl ether sulfonate may vary be tween 2 and 8 parts, the alkyl (EtO) sulfate from 3.5 to 4.5 parts, the pyrophosphate from 18 to 22 parts, the alcohol from 4 to 5 parts, the amide from 1 to 2.5 parts, the silicate solids from 3.5 to 5 parts and the sodium toluene sulfonate from 5 to 8 parts with water to make parts.
• the potassium (EtO) sulfate the sodium or potassium salts of the sulfated product of the reaction, of 4 moles of ethylene oxide. with 1 mole of nonylphenol.
• Example III The composition contained the following-all parts by weight:
• Potassium alkyl glyceryl ether sulfonate containing 66% of radicals from dodecyl alcohol the remainder being alcohols of 10, 14 and 16 carbons"--- 8 Potassium alkyl (EtO) sulfate, the same as in Example II 4 Potassium pyrophosphate 20 Sodium silicate. solids of ratio siO /Na O of 2:1.. 4 Coconut monoethanolamide a 1 Sodium toluene sulfonatea 6 Water a 1 57' This was prepared by taking 51 parts of wateraud heating it to about F. The temperature was maintained atabout this point'during the preparation of this example. 7
• the potassium alkyl glyceryl sulfonate and the potassium alkyl (EtO) sulfate were added and dissolved by stirring.
• the potassium pyrophosphate was added and stirred.
• the silicate, containing 5 parts of water, and the amide were added and stirred.
• the sodium toluene sulfonate was addedand stirred to blend'the mixture. Upon cooling to room temperature a clear solution was obtained. Thishad good sudsing and detergent properties.
• the viscosity and chill resistance can be improved" by the substitution of assistant solubilizers such as ethyl or isopropyl alcohol or diethylene glycol monobutyl ether for a portion of the water.
• Potassium tripolyphosphate may be used in place of" Y I v Partsbywt.
• Potassium alkyl glyceryl ether sulfonate containing 66% of radicals from dodecyl alcohol, the remainder being alcohols of 10, 14 and 16 carbons 8
• Sodium alkyl benzene sulfonate the alkyl being polypropylene averaging about 12 carbons 5
• coconut monoethanolamide 1 Potassium tripolyphosphate Sodium silicate of soda solids of SiO /Na O ratio of 1.6:1 to 2.6:1 4
• Ethyl alcohol 4 Sodium toluene sulfonate 4 Water.. 60
• the temperature of mixing need not be maintained at the 135 F. shown. 110 F. to 140 F. is preferred but somewhat higher or lower temperatures are not objectionable.
• the builder need not be a single phosphate, a mixture of potassium pyrophosphate and potassium tripolyphosphate can be used.
• the order of addition is not critical, it can be varied. There is one point, however, that should be observedthe silicate should go into the mixture after the phosphate.
• the relatively high alkalinity of the phosphate is needed to keep the silicate from jelling. This composition had good detergent qualities and was clear down to about 40 F.
• alkyl glyceryl ether sulfonate is not used in the formulations of the above examples, all of the synthetic detergent being the second anionic, a clear single phase solution is not attained. If, for instance, alkyl benzene sulfonate, where the alkyl is polypropylene averaging about 12 carbons, is the sole anionic used in these formulations, the addition of alcohol causes two clear layers to form, but they will not blend into a single phase solution, upon the addition of a solubilizer. If an alkyl (EtO); sulfate, where the alkyl is middle cut coconut alcohol containing about 65% of radicals from dodecanol is used as the sole anionic, the same phenomenon occurs.
• EtO alkyl
• sulfate where the alkyl is middle cut coconut alcohol containing about 65% of radicals from dodecanol
• a convenient test for clarity may be made by placing the preparation in a test tube 20 mm. diameter and mm. long and holding for five days at some selected temperature below room temperature.
• highly satisfactory compositions will not cause the alkyl glyceryl ether sulfonate to salt in a viscous or jcll-like layer at the top, nor separate into two layers.
• the detergent of the present invention rates as highly satisfactory at room temperatures down to about 40 F., whereas the preparations with alkyl glyceryl ether sulfonate as the sole anionic will withstand temperatures down to about 50 F. only.
• alkyl benzene sulfonate is used as the sodium salt and the alkyl (EtO) sulfate as the potassium salt.
• These salts are preferred because each is the more soluble salt of the respective anionic synthetic detergent.
• a maximum sodium ion concentration of about 1.9% of the total composition is the upper limit to prevent sodium pyrophosphate crystals from forming.
• the mole ratio of potassium to sodium is about 3.4 to 1.
• all of the composition, except the silicate is present as potassium salts-the silicate being sodiumthe mole ratio of potassium. to sodium is about 6.9 to 1.
• the preferred molar ratios of potassium to sodium are then from about 3 to 1, to 7 to 1.
• the alkylol amides added as suds builders can be made from the fatty acids of any of the oils of the coconut group comprising coconut oil, palm kernel oil, babassu oil and oils of other members of the tropical palm group that contain at least 50% of lauric and myristic acids. They can also be made from middle cut fractions of the fatty acids of these oils that have their lauric content raised by distillation. If high sudsing is not requiredthe amides may be omitted from the compositions, but with some sacrifice in sudsing power.
• the silicate and the alkali toluene sulfonate can be added as the sodium salts. Some sodium ions are desirable, although a heavy duty liquid synthetic detergent may be formulated with all of the cations potassium.
• the preferred formulation will have at least the silicate present as the sodium salt.
• coloring matter fabric substantive fluorescent dyes and tarnish inhibitors may be added at any convenient point in the mixing of the composition, and that perfume may be added after the composition has been prepared and cooled.
• the formulas may be varied somewhat from those given in the examples. It will be apparent that the potassium alkyl glyceryl ether sulfonate is the solubilizer for the silicate. Up to 6% silicate solids can be kept in clear solution by formulations as shown in the examples, containing alkyl glyceryl ether sulfonate and potassium pyro-' phosphate. There is no point in going below 3.5% silicate solids as inhibition of corrosion becomes inadequate below this point.
• the silicate can have a ratio of SiO /Na O of 1.6 to 1 to 2.6 to 1. Lower ratios become too alkaline and higher ratios are difiicult to dissolve.
• the 'solubilizing power of alkyl. glyceryl ether 'sulfonate is exerted upon the phosphates as well as the silicates.
• the potassium pyrophosphate or potassium tripolyphose phate may be used in an amount from a minimum of 12 parts to a maximum of the limit of solubility at room temperature of the phosphate in the complete detergent. This maximum limit on the amount of phosphate depends upon the amount of the second anionic used.
• Coconut amides may be monoor diethanol, propanol or isopropanol and can be tolerated from the standpoint of freeze recovery up to about 3%. Below 1% they do. not accomplish much enhancement of sudsing.
• the alcohols, ethanol or isopropanol, or diethylene glycol monobutyl ether, used to dissolve the amide, to reduce viscosity and to act as assistant solubilizers are preferably used from about 1% to about 6%. Alcohol promotes blending and lowers viscosity, but more than 6% causes a tendency to separation. With a longer time spent in blending, alcohol may be omitted, and a satis factory heavy duty liquid detergent can be produced.
• the sodium toluene sulfonate, benzene sulfonate oixylene sulfon'ate may be used between 2.5% and 9%.
• the amount of alklyl 'glyceryl 'sulfonate must be at least 2% in the compositions like those shown in the examples to solubili z e the silicate, that is, it will be as a minimum, of the total anionic synthetic detergent. Moreover, the minimum amount of alkyl glyceryl ether sulfonate that will prevent redeposition of soil is about 2%. The amount of alkyl glyceryl ether sulfonate may go as high as 14, but at the expense of clarity at low temperatures. The preferred range is 4% to 8%, with the second anionic being present at 9% to 5%. With the second anionic at A the alkyl glyceryl ether sulfonate, the minimum amount of anionic synthetic detergent in the compositions of this invention will be 7 /2%.
• Alkyl (EtO) sulfate was used as the second anionic detergent in Example III.
• EtO alkyl
• the species produced not all contain nmoles of ethylene oxide.
• the species will vary from 11:0 to those wherein the polyethylene oxide is at least Zn in polymerization. For this reason there is nothing specific about reacting'exactly '3 moles of ethylene oxide.
• the sulfated reaction products of 2 moles of ethylene oxide and of 4 moles of ethylene oxide with a given fatty alcohol will differ only slightly from alkyl (EtO) sulfate, and may be used interchangeably. As moles of EtO increase, electrolyte compatibility decreases and chill improves.
• the water will preferably be not less than about 40%, as this much is required to solubilize the ingredients.
• the water used will not exceed 75%, of the total com position if the product is to be called concentrated.
• anionic detergents than alkyl benzene sulfonate, sulfated alkyl ethylene oxide condenses, and sulfated nonylphenol ethylene oxide condensates may be used as second anionics.
• the anionic sulfuric organic reaction prod-V ucts which "are preferred are those which have sodium or potassium or'substitutedammonium salts which have a solubility of at least 4, parts in parts of Water in which is dissolved 8 parts of potassium alkyl glyceryl ether sulfonate and'20 parts of potassium pyrophosphate with 6 parts of sodium toluene sulfonate'and -4 parts of ethyl alcohol; and whichdonut-hydrolyze in alkaline aqueous 8 solution. Stability in alkaline aqueous solutions is essential for every constituent.
• a substantially clear concentrated liquid detergent composition consisting essentially of, in parts by weight: (a) 7 /2 parts to 14 parts of anionic synthetic detergents of which not less than 2 parts and not more than is potassium salts of alkyl glyceryl ether sulfonate, said alkyl containing at least 50% of radicals from alcohols of 10 to 14 carbon atoms, the remainder of the anionic synthetic detergent being an alkaline-stable organic sulfuric reaction product the alkali metal and alkylol amine salts of which are characterized by a solubility of at least 4 parts in a solution consisting of 8 parts of said potassium alkyl glyceryl ether sulfonate and 20 parts of potassium pyrcphosphtae in 50 parts of water with 6 parts of sodium toluene sulfonate and 4 parts of'ethyl alcohol, said organic sulfuric reaction product being stable in aqueous alkaline solution; (b) a phosphate selected from the group consisting of potassium tripo
• a substantially clear concentrated liquid detergent composition consisting essentially of, in parts by Weight; (a) 7% to 14 parts of anionic synthetic detergents of which not less than 2 parts and not more than 75% is potassium salt of alkyl glyccryl ether sulfonate, said alkyl containing at least 50% of radicals from alcohols of 10 to 1 4 carbons, the remainder of the anionic syn thetic detergent being an organic sulfuric reaction product the alkali metal and alkylol amine salts of which are characterized by'a solubility of at least 4 parts in a solution of 8 parts of said potassium alkyl glyceryl ether sulfonate and 20 parts of.
• potassium pyrophosphate in 50 parts of water with 6 parts of sodium toluene sulfonate and 4 parts of ethyl alcohol, said organic sulfuric reaction product being stable in alkaline aqueous solution;
• a potassium phosphate selected from the group consisting of potassium tripolyphosphate and potassium pyrophosphate and mixtures thereof, from a minimum of 12 parts to the maximum of the'limit of solubility at room temperature of said potassium phosphate in the complete detergent;
• assistant solubilizers selected from the group consisting of ethyl alcohol, isopropyl alcohol, and diethylene glycol monobutyl ether;
• the liquid detergent composition of claim 2 con taining about 8 parts of the potassium alkyl glyceryl sulfonate; about 5 parts of the alkali metal salt of alkyl benzene sulfonate, about 20 parts of potassium pyrophosphate, about 4 parts of the alcohol, about 1 part of'the alkylol amide, about 4 parts .ofthe sodium silicate solids and about 4 parts of sodium toluene sulfonate, sufficient water being present to bring the total of all components to 100 parts.
• a substantially clear concentrated liquid detergent composition consisting essentially of, in parts by weight, 2 to 9 parts of the potassium salts of alkyl glyceryl ether sulfonate, at least 50% of the alkyl groups of the said alkyl glyceryl ether sulfonate being derived from alcohols having from 10 to 14 carbon atoms, 4 to 9 parts of alkali metal alkyl benzene sulfonate, the alkyl group of which averages about 12 carbon atoms, the sum of the said salts of alkyl glyceryl ether sulfonate and alkali metal alkyl benzene sulfonate being not more than 14 parts, 18 to 22 parts of potassium pyrophosphate, 3 to 5 parts of ethyl alcohol, 1 to 2 parts of alkylol amides of the fatty acids derived from oils of the coconut group, the alkylol portion of the said amides being selected from the group consisting of monoethanol, diethanol
• a substantially clear concentrated liquid detergent composition consisting essentially of, in parts by weight, 2 to 9 parts of the potassium salts of alkyl glyceryl ether sulfonate, at least 50% of the alkyl groups of the said alkyl glyceryl ether sulfonate being derived from alcohols having from 10 to 14 carbon atoms, 4 to 9 parts of alkali metal alkyl benzene sulfonate, the alkyl group of which averages about 12 carbon atoms, the sum of the said salts of alkyl glyceryl ether sulfonate and alkali metal alkyl benzene sulfonate being not more than 14 parts, 18 to 22 parts of potassium pyrophosphate, 3 to 5 parts of isopropyl alcohol, 1 to 2 parts of alkylol amides of the fatty acids derived from oils of the coconut group, the alkylol portion of the said amides being selected from the group consisting of monoethanol, diethanol
• a substantially clear concentrated liquid detergent composition consisting essentially of, in parts by weight, 4 to 8 parts of the potassium salts of alkyl glyceryl ether sulfonates, at least 50% of the alkyl groups of the said alkyl glyceryl ether sulfonates being derived from alcohols having from 10 to 14 carbon atoms, 3.5 to 4.5 parts of the potassium salts of the sulfated reaction product of from 2 to 4 moles of ethylene oxide with 1 mole of a mixture of fatty alcohols, at least 50% of the mixture of said fatty alcohols being fatty alcohols containing from 10 to 14 carbon atoms, 18 to 22 parts of potassium pyrophosphate, 4 to parts of ethyl alcohol, 1.5 to 2.5 parts of alkylol amides of the fatty acids derived from oils of the coconut group, the alkylol portion of the said amides being selected from the group consisting of monoethanol, diethanol, monoisopropanol and diisopropanol
• a substantially clear concentrated liquid detergent composition consisting essentially of, in parts by weight, 4 to 8 parts of the potassium salts of alkyl glyceryl ether sulfonates, at least 50% of the alkyl groups of the said alkyl glyceryl ether sulfonate being derived from alcohols having from 10 to 14 carbon atoms, 3.5 to 4.5 parts of the potassium salts of the sulfated reaction product of from 2 to 4 moles of ethylene oxide with 1 mole of a mixture of fatty alcohols, at least 50% of the mixture of said fatty alcohols being fatty alcohols containing from 10 to 14 carbon atoms, 18 to 22 parts of potassium pyrophosphate, 4 to 5 parts of isopropyl alcohol, 1.5 to 2.5 parts of alkylol amides of the fatty acids derived from oils of the coconut group, the alkylol portion of the said amides being selected from the group consisting of monoethanol, diethanol, monoisopropanol and diisopropano
• a substantially clear concentrated liquid detergent composition consisting essentially of, in parts by weight, 8 parts of the potassium salts of alkyl glyceryl ether sulfonate, at least 50% of the alkyl groups of the said alkyl glyceryl ether sulfonate being derived from alcohols having from 10 to 14 carbon atoms, 4 parts of the potassium salts of the sulfated reaction product of 3 moles of ethylene oxide with 1 mole of a mixture of fatty alcohols, at least 50% of said mixture of fatty alcohols being fatty alcohols containing from 10 to 14 carbon atoms, 20 parts of potassium pyrophosphate, 4 parts of ethyl alcohol, 4 parts of sodium silicate solids having a.

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• 0
  • BE BE558423D patent/BE558423A/xx unknown
• 1956
  • 1956-06-29 US US594696A patent/US2877185A/en not_active Expired - Lifetime
• 1957
  • 1957-05-25 DE DEP18629A patent/DE1084415B/de active Pending
  • 1957-06-26 GB GB20210/57A patent/GB848225A/en not_active Expired
  • 1957-06-29 CH CH4782357A patent/CH367922A/de unknown

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