US3320174A - Detergent composition - Google Patents

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US3320174A
US3320174A US361289A US36128964A US3320174A US 3320174 A US3320174 A US 3320174A US 361289 A US361289 A US 361289A US 36128964 A US36128964 A US 36128964A US 3320174 A US3320174 A US 3320174A
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phenyl
sulfonates
alkyl benzene
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Rubinfeld Joseph
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Colgate Palmolive Co
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00Sulfonic acids; Halides, esters, or anhydrides thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds

Description

United States Patent 3,320,174 DETERGENT COMPGSETION Joseph Rubinfeld, Brooklyn, N.Y., assignor to Colgate- Palmolive Company, New York, N.Y., a corporation of Delaware N0 Drawing. Filed Apr. 20, 1964, Ser. No. 361,289 9 Claims. (Cl. 252-138) The present invention relates to detergent compositions comprising a mixture of higher linear alkyl benzene sulfonate detergents having particular characteristics as hereinafter described which exhibit a high level of performance.

The most widely used surfactant in household detergents for the past ten years has been polypropylene tetramer branched :alkyl'benzene sulfonate. The advent of the importance of biodegradability dramatically shifted the emphasis from alkyl benzene sulfonate derived from polypropylene to linear alkylate benzene sulfonates. For commercial utility, it is desirable to develop an alkylate structure which would meet three major requirements. First, performance should be comparable with that of polypropylene benzene sulfonate. Secondly, the economics should be in the same range and thirdly, it should be biodegradable. A main factor for consideration is that of preparing linear alkyl benzene sulfonates which exhibit a high level of performance when used in conjunction with inorganic builder salts in dishwashing and laundering compositions.

The problem of changing from polypropylene benzene sulfonate based formulations arises due to the fact that it is known that the conventional commercial polypropylene benzene sulfonates are particularly resistant to biological degradation by bacteria normally present in microorganism populations of activated sewage sludge (and that they are not otherwise removed by adsorption, etc.). Thus, it is known that severe foaming and frothing have occurred in rivers and streams into which sewage disposal plants discharge their efiluent. It has now been found that the detergent material of the type described in this invention remedies the foregoing problem because it is readily removed by degradation or adsorption on the sludge and when processed in a sewage plant produces an etlluent from said plant having little or no tendency to foam and furnishes a high level of performance as herein described.

The present invention relates to detergent compositions comprising essentially a mixture of higher alkyl benzene sulfonates, the alkylated benzene content of said sulfonates having an average molecular weight within the range of 250 to 270, and particularly from 252 to 266, said alkyl groups being essentially linear and containing a minimum of about 85% and particularly 90% of alkyl groups having 12 to 14 carbons with at least about 10% and particularly at least about 15% each of dodecyl, tridecyl and tetradecyl groups, said alkyl benzene sulfonates having a minimum of about 37% of S-phenyl and higher phenyl isomers and a maximum of 27% of 2-phenyl isomers, said :amounts being by weight. A feature of the present invention resides in detergent compositions comprising a minor proportion of said sulfonates admixed with a major amount of water-soluble inorganic builder salts, particularly alkaline builder salts. Various other features will be apparent in the following description.

The detergent compositions of the present invention are characterized by many desirable properties. The particular linear alkyl benzene sulfonate salts result in detergent compositions which exhibit optimum cleansing and foaming properties, particularly in admixture with neutral detergent builder salts or alkaline builder salts. The use of the particular blends or mixtures of linear "ice sulfonates herein described result in built detergent compositions which exhibit over-all superior characteristics as compared with the standard polypropylene derived tridecyl benzene sulfonate under the same conditions. In addition, the claimed linear alkyl benzene sulfonates having the desired structural characteristics exhibit markedly superior properties as compared with other linear alkyl benzene sulfonate mixtures not having the specified structural properties evaluated under the same conditions. The detergent compositions exhibit superior foaming properties in the presence of greased soil in the dishpan and a high level of washing power in the laundering of soiled textiles. In addition, the foaming power is enhanced in hard water where washing conditions are most demanding. The improved foaming, detergency and emulsification properties of the specific linear alkyl benzene sulfonates in heavy duty detergent compositions in both hard and soft water is particularly significant in comparison with the other linear phenyl alkane sulfonate detergents.

The desired linear alkyl benzene materials should be characterized by the proper relationship and integration of various factors to provide for optimum performance of the corresponding sulfonate detergents. It has been found that the molecular Weight, the proportion of ndodecyl, tridecyl and tetradecyl alkyl groups and character of the isomer content such as the phenyl position isomers mutually affect one another and provide a criterion for the determination and selection of those sulfonate materials which result in superior performance of the ultimate detergent composition. For convenience of illustration, these factors are discussed individually below to some extent, but the desired properties result from the proper integration thereof. As indicated, the molecular weight is an important consideration. In general, the linear alkyl benzene portion of said sulfonates should have a mean molecular weight within the range of 250- 270, preferably 252266, and particularly from 255 to 262 for optimum effects. In conjunction with the molecular weight, the distribution of the carbon chains in the linear alkyl benzene structure is another important consideration. For example, structures within the specified molecular weight range should contain at least about and preferably at least about of carbon chains as C C and C with less than 15% and preferably less than 10% of other alkyl chains such as C and lower and C and higher chains. Further, the minimum proportion of each of the dodecyl, tridecyl and tetradecyl alkyl chains should be about 10%, and preferably 15%. A preferred distribution of carbon chains is about 2040% C about 30-50% C and about 20-40% of C alkyl chains. A third factor to be considered in optimizing the performance characteristics of the corresponding sulfonates is the distribution of phenyl isomers. For example, it has been found that the mixed chain linear alkyl benzene sulfonate materials containing particular proportions of internal 5- and 6'phenyl isomers are better foaming materials under a variety of conditions than mixtures containing predominately the 2, 3 and 4 phenyl isomers. Therefore, to achieve the desired char acteristics in the detergent compositions a minimum of 37% of 5-, 6- and higher phenyl isomers and a maximum of 27% of the 2-phenyl alkane should be present for the proper performance characteristics. Preferred phenyl alkane distributions should contain the maximum 5-, 6- and higher phenyl alkane and the minimum 2- phenyl alkane consistent with economic production techniques. From the practical manufacturing stand-point, such mixtures can be made on a particularly economic basis with a 5-, 6- and higher phenyl content within the range of 3760% and the 2-phenyl content within the range of 5 to 27%. Examples of particularly suitable linear alkyl benzene materials have the following approximate chemical characteristics:

A B O D E Molecular weight 256 256. 8 256. 7 255. 6 255. 6 Alkyl chains in the C 014 range, percent 93. 3 94. 7 98. 4 91. 2 93. 2

Percent G 34. 5 35. 1 33.8 34. 36. 0 Percent C 42. 8 43. 4 50. 2 32. 7 35. 8 Percent C 4 16.0 16. 2 14. 4 24. 5 21. 4

2 phenyl alkane, percent. 19. 1 18. 6 2G. 4 24. 8 25.6 5, 6 and higher phenyl alkane, percent 39. 7 43.1 37.1 37. 3 38. 3

Carbon chain content is expressed as mole percent.

The linear alkyl benzene sulfonate detergents having the described essential structure can be produced by sulfonating the corresponding alkyl benzene hydrocarbons. These hydrocarbons are obtained by alkylating benzene with linear alkyl materials having the required molecular weight and distribution of alkyl carbon chains. In general, linear alkyl halide, l-alkene or linear primary and secondary alcohol having the specified carbon chain distribution and molecular weight is alkylated with benzene in the presence of a Friedel-Crafts type catalyst, usually aluminum chloride, hydrogen fluoride or sulfuric acid, to form the desired linear alkyl benzene material. The products are sulfonated in known manner with a sulfonating agent, such as 20% oleum or sulfur trioxide at 90 F., and neutralized with alkali to form the corresponding water-soluble higher alkyl benzene sulfonate detergent salts. It is preferred to use the alkali metal salts such as the sodium, potassium and lithium salts although other highly soluble salts such as the ammonium, and lower alkylolamine, e.g. monoand tri-ethanolamine, salts may be employed also. The corresponding calcium and magnesium salts are prepared similarly. In addition, the product may contain varying amounts of water-soluble inorganic sulfate salts resulting from the neutralization of any excess sulfuric acid employed in the sulfonation reaction.

In more detail, the linear alkyl chain may be derived from kerosene by distillation to yield a fraction containing C -C hydrocarbons, such as containing about 34% dodecyl, 43% tridecyl and 17% tetradecyl alkyl chains. The desired linear alkyl fraction may then be reacted with a halogen in a monohalogenation reaction process to yield a mixture of kerosene and monohalogenated kerosene which can be separated in a subsequent distillation. The halogenated kerosene fraction contains the halogen randomly distributed along the alkyl chain and is generally alkylated with benzene in the presence of aluminum chloride catalyst. The typical product of such alkylation reaction consists of an isomeric mixture of phenyl alkanes of the desired chain length containing usually a relatively high proportion of 2-phenyl alkane and relatively low proportions of other isomers as analyzed by mass spectrometry. Because the linear alkyl benzene product from this reaction contains generally a high content of the 2-phenyl alkane, it is necessary to carry out a blending operation or additional processing operations in order to reduce the 2-phenyl isomer concentration to the desired level. For example, subsequent distillation concentrates the Z-phenyl isomer in the bottoms with simultaneous increases in the higher phenyl isomers. The concentrated 2-phenyl alkane material can be then recycle to the alkylation reactor wherein rearrangement of the phenyl position occurs during the subsequent equilibrium alkylation reaction in the presence of the aluminum chloride catalyst.

Alternatively, use of alpha olefins having the desired distribution of carbon chains in the alkylation reaction with benzene in the presence of hydrogen fluoride catalyst under proper conditions may have certain advantages. The hydrogen fluoride catalyst is a rate controlling catalyst 4 and the resulting product contains generally a mixture of 2-, 3-, 4-, 5-, 6- and 7-phenyl alkane which can be treated to obtain a final product of any desired proportions.

Alkylation processes involving use of sulfuric acid catalyst result in mixtures of isomeric phenyl alkanes containing usually a high predominance of 2-phenyl alkane, and lesser amounts of the other isomers. Therefore, this product generally requires additional processing operations analogous to the aluminum chloride catalyzed alkylation product such as by blending or distillation to reduce the 2-phenyl alkane to the desired level.

For detergent use, these new alkyl aryl sulfonate detergent mixtures are advantageously used in combination with detergent builders. Such builders are generally watersoluble inorganic salts which may be neutral builder salts such as sodium sulfate, alkaline builder salts such as sodium tripolyphosphate or mixtures of the neutral builder salts and alkaline builder salts. Typical examples of other suitable inorganic builder salts, preferably alkali metal salts, are sodium and potassium carbonate, tetrasodium pyrophosphate, trisodium phosphate, sodium and potassium tripolyphosphate, sodium hexametaphosphate and sodium and potassium silicates, such as sodium metasilicate (Na O:SiO and alkaline sodium silicates (Na O:2SiO and Na O:3SiO It is in many cases advantageous to add one or more phosphates and one or more silicates in combination.

If desired, the compositions according to the invention may also contain other detergent adjuvant materials. Soilsuspending agents which are usually cellulosic or starch derivatives may be used, preferably the sodium salt of carboxymethylcellulose. Other components which may be added as desired in suitable amounts to the compositions according to the invention are bleaching agents, i.e., agents which have an oxidizing effect, and optical bleaching agents, the effect of which is due to fluorescence. In particular, peroxygen compounds such as persulfates, perborates and percarbonates, for example, are suitable as chemical, i.e., oxidizing, bleaching agents. Various organic materials intended to modify the foaming or cleansing power may be added such as lauric or coconut diethanolamide, monoethanolamide, isopropanolamide and ethylene oxide derivatives thereof, fatty alcohols such as lauryl or cetyl alcohol, amine oxides such as dodecyl dimethyl amine oxide, and the like. Solubilizing agents such as the commercial sodium and potassium Xylene and toluene sulfonates may also be included where desired.

The new compositions can also contain other surfaceactive agents besides the alkyl aryl sulfonates of the invention. More preferably, these may be of the anionic and/ or nonionic type. Alkyl sulfonates and alkyl sulfate salts having alkyl chains of 8 to 2-0 carbon atoms are typical of the anionic surface-active agents which can be used as well as alkyl aryl sulfonates which do not have the advantageous structure of the new compounds. Other suitable anionic materials are the sulfated higher alkyl phenol-ethylene oxide condensates and the sulfated higher alkyl ethylene oxide sulfates, preferably containing an average of about 1-10 moles of ethylene oxide. Polyethylene glycol ethers and esters are examples of suitable nonionic surface-active agents which can be advantageously used in the new compositions.

Formulations containing these specific linear alkyl benzene sulfonate salts in combination with inorganic detergent builder salts may be of the light duty type containing only neutral builder salts or of the heavy duty type containing a substantial amount of alkaline builder salts, or mixtures of alkaline and neutral builder salts. The proportions of the various components can be varied depending upon the type of washing formulation. Generally, both types of composition will contain a minor proportion, e.g. 150'%, usually 5 to 50% by weight and preferably 1535% by weight, of the specific linear alkyl benzene sulfonate surface active agent and a major proportion, e.g. 50-99%, usually 50-95% by weight and preferably 65-85% by weight, of the inorganic builder salts. Where heavy duty formulations are prepared from about to about 90% by weight, preferably 33-70% by weight, of the inorganic builder salts may consist of the inorganic polyphosphates such as sodium tripolyphosphate. The above amounts are by weight of the specified mixture of ingredients.

A significant feature of the foregoing compositions is that the particular linear alkyl benzene sulfonates represent optimum foaming performance properties in varying water hardnesses as compared with other linear alkyl benzene sulfonate mixtures under similar washing conditions when admixed with either neutral inorganic builder salts or alkaline builder salts. The built detergent composition within the described proportions also exhibits more foam in hard than in soft water.

The detergent composition may be prepared in any suitable form, either as liquids, pastes or as solid product in cake (e.g. bar or tablet) or in particulate form. The described linear alkyl benzene sulfonates may be the sole active ingredient or admixed with other suitable materials as indicated. It is prepared preferably in particulate form by the application of known heat-drying procedures on an aqueous mixture of the sulfonate salts with or without the presence of the inorganic builders. Thus, an aqueous mixture of the sulfonates may be roll-dried, drum-dried or spray-dried in known manner at a temperature above 212 F. to produce particles in the form of flakes or beads. Alternatively, the materials in substantially solid form may be admixed mechanically in known manner to form a uniform mixture. Furthermore, the ingredients in solid form may be admixed with sufficient water which will be absorbed by hydratable inorganic salts to form a substantially dry product which can then be ground or sieved to size as desired. In the preparation of liquid products in clear, translucent or opaque form, there may be added various solubilizing materials in suitable amounts such as ethanol, propylene glycol, urea, hydrotropic salts such as sodium and potassium commercial xylene and toluene sulfonates, added foaming modifiers such as the higher fatty acid alkylolamides, builder salts in suitable proportions such as tetrapotassium pyrophosphate, other compatible detergents, etc.

As stated earlier, evaluation data obtained with both light duty detergent compositions and heavy duty detergent compositions illustrate the unusual characteristics of the product. For example, various typical heavy duty detergent compositions were prepared as herein described containing about 24% of sulfonate detergent active inthe number of plates washed before the disappearance of the foam.

The general effect of substituting various linear alkyl benzene sulfonates for a polypropylene-derived tridecyl benzene sulfonate in said detergent composition is clearly indicated in the following table using the aforementioned dishwashing evaluation test, the linear sulfonates all having a Z-phenyl content of about 30%.

TABLE I Number or Plates Linear ALryl Benzene Mean Molecular Washed Sullonate Weight p.p.m. 150 ppm.

242 9 15 256 14 17 257 15 17 263 15 17 273 12 13 285 12 11 Trideeylbenzene sulfonate from polypropylene 20 20 It is to be noted that all of the linear alkyl benzene sulfonates gave substantially poorer performances than the standard tridecylbenzene sulfonate and also that the molecular weight is not a sufficient criterion per se of products exhibiting optimum performance.

Further, evaluation of various linear alkyl benzene sulfonates having the described characteristics in the afore The above results clearly indicate that the desired molecular weight range combined with a lower 2-phenyl content results in improved performance.

The contribution of carbon chain length is similarly indicated in the evaluation results of a pair of linear alkyl benzene sulfonates having a 2-phenyl content of about 1' o O 3 0 in said heavy duty composition as follows:

TABLE III Alkyl Distribution* Number of Plates Linear Alkyl Mean Washed Benzene Sultanate Molecular Weight 0-12 0-13 0-14 50 ppm. 150 p.p.m.

*Alkyl distribution is expressed in mole percent.

gredient as sodium salts, about 35% sodium tripolyphosphate, about 7% sodium orthosilicate, about 29% sodium sulfate and about 5% moisture. The sulfonate in rolldried form was mixed with the other ingredients and dissolved in water to form aqueous washing solutions which were subjected to foam stability tests in a practical dishwashing procedure. In this test, all products are examined at 0.15% concentration, at 115 F. and at 50 and 150 ppm. hardnesses, employing a layer of hydrogenated vegetable oil type of soil on each plate. The soiled plates are washed by hand continuously until the foam has collapsed in the wash water in each case, furnishing a com- These result-s illustrate the influence of chain contributions, being essentially independent of phenyl position and molecular weight. In particular, the redistribution of C- 13 content into C-11 and C-15 homologs materially lowers the performance.

Similar evaluation results of the detergent composition are set forth in the following table which clearly illustrate the effect of controlling the proportion of 2-phenyl isomers in said linear alkyl benzene sulfonates having the preferred mean molecular weight of 256 and the preferred carbon chain length in the described heavy duty parison of the foam stability of each washing solution in detergent composition.

TABLE IV Number of Plates Linear Alkyl 2-Pheny1 Washed Benzene Sulfo- Content -11 0-12 C-13 0-14 C-15 nate (percent) 50 p.p.m. 150 p.p.m.

P r 34 4. 5 33.9 43. 0 15. 7 2. 3 14 15 A 19 4. 8 34. 5 42. 8 16. 0 1. 2 19 22 The two linear alkyl benzene sulfonates above-described are composed of essentially identical alkyl chain distributions, thereby effectively making the sole variable the phenyl position. The improvement in dishwashing performance shown in this table therefore is attributable to the effects of phenyl position alone.

The importance of the phenyl isomer distribution, namely minimizing the amount of 2-phenyl and maximizing the amount of 5-, 6- and higher phenyl in the linear alkyl benzene sulfonates, is illustrated again in the following table. The linear alkyl benzene sulfonates containing only 4- and higher phenyl isomers and having the desired molecular weight and phenyl isomer distribution were evaluated in the described heavy duty detergent formulation using the described dishwashing test.

*Alkyl distribution is expressed in weight percent.

The foregoing data clearly show that foaming and emulsification properties of detergent compositions containing the biodegradable linear alkyl benzene sulfonate salts having the claimed characteristics are superior to polypropylene benzene sulfonate materials.

Similar results are also obtained in water of varying hardness for the described linear alkyl benzene sulfonate salts in light duty detergent compositions, a typical formulation comprising about 31% of said sulfonate detergent mixture, 67% sodium sulfate and 2% moisture.

The following examples are additionally illustrative of the present invention and all amounts are by weight unless otherwise specified.

Example I .-Preparation of the sodium linear alkyl benzene sulfonates The sodium linear alkyl benzene sulfonates above-described are prepared by the following typical procedure. The selected alkylates are reacted with benzene using aluminum chloride or hydrogen fluoride catalyst in known manner to obtain the desired alkylated benzene product. These materials are sulfonated using a standard oleum batch sulfonate technique wherein 525 grams of oleum are added to 500 grams of linear alkyl benzene with agitation over the period of about 30 minutes while maintaining the temperature of the reaction at 90:5 F. using a cold water bath. The sulfonation reaction mixture is then heated to 120122 F. and maintained at this temperature for about 90 minutes to complete the sulfonation reaction. The acid mixture is then diluted with distilled water in a ratio of 10.8 parts of water per 100 parts of acid mix while agitating the mixture and cooling to maintain the temperature at about 130135 F. The diluted acid mix is then allowed to separate by gravity into a sulfonic acid rich upper layer and a sulfuric acid rich lower layer while maintaining the temperature at about 135i5 F. or centrifuged into tWo layers. The sulfonic acid layer containing about 88% sulfonic acid, 7% sulfuric acid and 5% water is then neutralized by adding slowly to 15-20% sodium hydroxide solution while maintaining the temperature at 120:5 F. using cooling water bath to yield a neutralized alkyl benzene sulfonate slurry of pH 9.5105 containing about 4550% solids by weight. The neutralized alkyl benzene sulfonate slurry is then roll-dried using a two roll mill while maintaining 15 p.s.i.g. steam on the interior of the rolls to yield a dried sulfonate product in flake form of about 90% purity, the balance being sodium sulfate formed by neutralization of the excess sulfuric acid. It is unnecessary to remove said minor amount of sodium sulfate but, if desired, a suitable purification technique is to dilute the neutralized slurry with an equal volume of ethanol wherein the sodium sulfate precipitates. The alcoholic layer containing the sulfonate is then drum dried to yield a sulfonate of 98% purity. The sodium linear alkyl benzene sulfonates of the present invention such as mixtures A-E in Table II above exhibit a high level of cleansing and foaming ability in dishwashing and laundering and have been found to be biodegradable.

In similar manner, the aqueous slurries may be neutralized with alkali other than caustic soda in known manner to form the potassium, ammonium, triethanolamine, calcium and magnesium salts of said linear alkyl benzene sulfonates and mixtures thereof which are effective detersive materials also.

Examples 11-111 The sodium linear alkyl benzene sulfonates in flake form are admixed with inorganic salts according to the following formulations to form light-duty product 11 and heavy-duty product III:

The sulfonates in roll-dried form are blended with the solid powdered inorganic builder salts to yield a particulate solid product.

As described, these products exhibit particularly satisfactory performance and are biodegradable also.

Example IV The neutralized aqueous slurry of sodium linear alkyl benzene sulfonate C was prepared in spray-dried form having the following composition:

Ingredients: Percent Sodium linear alkyl benzene sulfonate C 24.8 Sodium tripolyphosphate 35.0 Sodium sulfate 24.0 Sodium silicate 7.0 Sodium carboxymethylcellulose 0.4

9 Ingredients: Percent Polyvinyl alcohol 0.2 Fluorescent brighteners 0.2 Anti oxidant, perfume, anti tarnishing agent 0.3 Moisture 8.1

The above ingredients are mixed at about 160 F. in a soap crutcher to form an aqueous slurry of about 60% solids. This slurry is submitted to spray-drying with heated air at a temperature of about 650 F. with a resultant moisture loss of almost 35%. The final product is recovered in the form of beads and possesses a high degree of detersive and foaming properties in both soft and hard water in dishwashing and laundering and is biodegradable after use.

Other particularly satisfactory spray-dried detergent compositions containing the specified linear alkyl benzene sulfonate are set forth in Examples V and VI which follow:

Example Indredient;

sodllllgn linear alkyl benzene sulfonate Sodium salt of mixe tty acids (85% tallow/l5% coconut) Sodium tripolyphosphate Sodium silicate (ratio of NazOzSiOz= 1:2.35) Sodium sulfate Sodium carboxymethylcellu Moisture oco . cannot Example VIl.Abrasive cleanser Ingredients Percent Spray-dried detergent particles of Ex. IV l0 Silica (fine particle size of less than 200 mesh) 90 Minor amounts of suitable bleaching agents such as 0.25% of trichlorocyanuric acid or chlorinated trisodium phosphate or 0.5% of oxalic acid as an oxidizing agent may be added in powdered form.

Although the present invention has been described and illustrated with reference to specific examples, it is understood that modifications and variations of composition and procedure are contemplated within the scope of the appended claims.

Having thus described the invention, what is claimed is:

1. A detergent composition consisting essentially of a mixture of higher alkyl benzene sulfonates, the alkylated benzene content of said sulfonates having an average molecular weight within the range of 250 to 270, said alkyl groups being linear and containing a minimum of about 85% of alkyl chains of 12 to 14 carbons with at least about having 12 carbon atoms, at least about 10% having 13 carbon atoms and at least about 10% having 14 carbon atoms, said alkyl benzene sulfonates having phenyl isomers in at least one of the 2- and higher positions of said alkyl groups, said phenyl isomers being a minimum of about 37% of S-phenyl and higher phenyl isomers and a maximum of about 27% of 2-phenyl isomers, said amounts being by weight.

2. A detergent composition consisting essentially of a mixture of Water-soluble higher alkyl benzene sulfonates, the alkylated benzene content of said sulfonates having an average molecular weight within the range of 252 to 266, said alkyl groups being linear and containing a minimum of about 90% of alkyl chains of 12 to 14 carbons with at least about 15% having 12 carbon atoms,

at least about 15% having 13 carbon atoms and at least about 15% having 14 carbon atoms, said alkyl benzene sulfonates having phenyl isomers in at least one of the 2- and higher positions of said alkyl groups, said phenyl isomers being a minimum of about 37% of 5-phenyl and higher phenyl isomers and a maximum of about 27% of 2-phenyl isomers, said amounts being by weight.

3. A detergent composition in accordance with claim 2 wherein said alkyl groups of 12 to 14 carbon has a carbon chain distribution of about 20-40% of 12 carbon, about 30 to 50% of 13 carbon and about 20 to 40% of 14 carbon alkyl chains.

4. A detergent composition in accordance with claim 2 having a 5-phenyl and higher isomer content from 37-60% and a 2-phenyl content from 5 to 27%.

5. A detergent composition in accordance with claim 1 wherein said mixture of higher alkyl benzene sulfonates is about 150% of said composition and about 5099% of said composition is water-soluble inorganic salts selected from the group consisting of neutral builder salts, alkaline builder salts and mixtures thereof, said amounts being by weight of the above materials.

6. A detergent composition in accordance with claim 2 wherein said mixture of higher alkyl benzene sulfonates is about 550% of said composition and about 5095% of said composition is water-soluble inorganic builder salts selected from the group consisting of neutral builder salts, alkaline builder salts and mixtures thereof with about 1090% of said builder salts being p-olyphosphate salts, said amounts being by weight of the above materials.

7. A detergent composition in accordance with claim 6 wherein said alkyl groups of 12 to 14 carbon has a carbon chain distribution of about 20-40% of 12 carbon, about 30 to 50% of 13 carbon and about 20 to 40% of 14 carbon alkyl chains.

8. A spray-dried detergent composition consisting essentially of about 150% of sodium higher alkyl benzene sufonates, the alkylated benzene content of said sulfonates having an average molecular weight within the range of 250 to 270, said alkyl groups being linear and containing a minimum of about of alkyl chains of 12 to 14 carbons with at least about 10% having 12 carbon atoms, at least about 10% having 13 carbon atoms and at least about 10% having 14 carbon atoms, said alkyl benzene sulfonates having phenyl isomers in at least one of the 2- and higher positions of said alkyl groups, said phenyl isomers being a minimum of about 37% of S-phenyl and higher phenyl isomers and a maximum of about 27% of 2-phenyl isomers, and 5099% of water-soluble inorganic builder salts selected from the group consisting of neutral builder salts, alkaline builder salts an mixtures thereof, said amounts being by weight of the above materials.

9. A detergent composition in accordance with claim 2 wherein the lower average molecular weight of the alkylated benzene content of said sulfonates is an average molecular weight of 255.

References Cited by the Examiner UNITED STATES PATENTS 2,712,530 7/1955 Baumgartner 252-161 2,944,028 7/1960 Stayner 252161 3,169,987 2/1965 Bloch.

FOREIGN PATENTS 1,272,254 10/ 1960 France.

OTHER REFERENCES Swisher, Straight Chain ABS Biodegradation, Soap and Chemical Specialties, July 1963, pp. 47-50 and 95.

LEON D. ROSDOL, Primary Examiner.

S. E. DARDEN, Assistant Examiner.

Claims (1)

1. A DETERGENT COMPOSITON CONSISTING ESSENTIALLY OF A MIXTURE OF HIGHER ALKYL BENZENE SULFONATES, THE ALKYLATED BENZENE CONTENT OF SAID SULFONATES HAVING AN AVERAGE MOLECULAR WEIGHT WITHIN THE RANGE OF 250 TO 270, SAID ALKYL GROUPS BEING LINEAR AND CONTAINING A MINIMUM OF ABOUT 85% OF ALKYL CHAINS OF 12 TO 14 CARBONS WITH AT LEAST ABOUT 10% HAVING 12 CARBON ATOMS, AT LEAST ABOUT 10% HAVING 13 CARBON ATOMS AND AT LEAST ABOUT 10% HAVING 14 CARBON ATOMS, SAID ALKYL BENZENE SULFONATES HAVING PHENYL ISOMERS IN AT LEAST ONE OF THE 2- AND HIGHER POSITIONS OF SAID ALKYL GROUPS, SAID PHENYL ISOMERS BEING A MINIMUM OF ABOUT 37% OF 5-PHENYL AND HIGHER PHENYL ISOMERS AND A MAXIMUM OF ABOUT 27% OF 2-PHENYL ISOMERS, SAID AMOUNTS BEING BE WEIGHT.
US361289A 1964-04-20 1964-04-20 Detergent composition Expired - Lifetime US3320174A (en)

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US361289A US3320174A (en) 1964-04-20 1964-04-20 Detergent composition

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Application Number Priority Date Filing Date Title
US361289A US3320174A (en) 1964-04-20 1964-04-20 Detergent composition
ES0310058A ES310058A1 (en) 1964-04-20 1965-03-03 Improvements in the preparation of detergent compositions.
DEC35269A DE1281087B (en) 1964-04-20 1965-03-10 Washing and cleaning agents
SE322065A SE303168B (en) 1964-04-20 1965-03-11
CH346465A CH481213A (en) 1964-04-20 1965-03-12 Detergents and cleaning agents as well as methods for the preparation thereof
GB1070765A GB1087337A (en) 1964-04-20 1965-03-12 Alkylbenzene sulphonate detergent compositions
FR12203A FR1436185A (en) 1964-04-20 1965-04-07 New detergent composition
BE662407D BE662407A (en) 1964-04-20 1965-04-12
OA51591A OA1693A (en) 1964-04-20 1965-04-15 New detergent composition.
DK198265A DK117311B (en) 1964-04-20 1965-04-20 Cleaners.
NL6504957A NL6504957A (en) 1964-04-20 1965-04-20

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ES (1) ES310058A1 (en)
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NL (1) NL6504957A (en)
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US3342888A (en) * 1965-02-17 1967-09-19 Atlantic Refining Co Production of low 2-phenyl isomer content monoalkylbenzene fractions
US3352933A (en) * 1965-12-07 1967-11-14 Atlantic Refining Co Isomerization of 2-phenyl alkanes
US3391210A (en) * 1965-02-17 1968-07-02 Continental Oil Co Process for the preparation of detergent alkylate
US3433846A (en) * 1964-05-07 1969-03-18 Chevron Res Biodegradable detergent alkylate having improved detergent properties
US3538006A (en) * 1966-07-27 1970-11-03 Witco Chemical Corp Emulsion cleaner
US3639291A (en) * 1969-08-25 1972-02-01 Monsanto Co Surfactant composition and liquid detergent formulations containing same
US3951879A (en) * 1973-12-14 1976-04-20 Colgate-Palmolive Company Detergent that reduces electrostatic cling of synthetic fabrics
US3970596A (en) * 1973-11-26 1976-07-20 Colgate-Palmolive Company Non-gelling alpha-olefin sulfonate liquid detergent
US4162236A (en) * 1978-01-05 1979-07-24 Monsanto Company Detergent compositions containing mixtures of alkylbenzene sulfonates as the detergent active
US4486329A (en) * 1983-10-17 1984-12-04 Colgate-Palmolive Company Liquid all-purpose cleaner
US4842767A (en) * 1986-09-10 1989-06-27 Colgate-Palmolive Company Heavy duty built aqueous liquid detergent composition containing stabilized enzymes
EP0478086A2 (en) 1990-09-25 1992-04-01 Colgate-Palmolive Company Stable microemulsion disinfecting detergent composition
US6147246A (en) * 1999-12-23 2000-11-14 Condea Vista Company Process for preparing alkoxylated dialkyl carbonate compounds
US20040204331A1 (en) * 2003-04-14 2004-10-14 Colgate-Palmolive Company Antibacterial light duty liquid cleaning composition
US20040235690A1 (en) * 2003-05-19 2004-11-25 Colgate-Palmolive Company Pearlescent solution
US20050020465A1 (en) * 2003-07-23 2005-01-27 Colgate-Palmolive Company Liquid dish cleaning compositions
US20050106112A1 (en) * 2002-12-30 2005-05-19 Boyd Thomas J. Oral and personal care compositions and methods
US20050281765A1 (en) * 2002-10-01 2005-12-22 Basf Aktiengesellschaft Reaction products of 2-propylheptanol with 1-halogen-2,3-epoxypropanes and 1-hydroxy-2,3-epoxypropane
US20050288209A1 (en) * 2003-11-06 2005-12-29 John Fletcher Cleaning compositions in the form of a tablet or granule
US20060009368A1 (en) * 2002-10-01 2006-01-12 Ralf Noerenberg Alkylglycidol carbonates as cosurfactants
US20060122092A1 (en) * 2003-08-28 2006-06-08 Gregory Szewczyk Liquid dish cleaning compositions
WO2006116099A1 (en) 2005-04-21 2006-11-02 Colgate-Palmolive Company Liquid detergent composition
WO2007123566A1 (en) 2006-04-21 2007-11-01 Colgate-Palmolive Company Composition for visibility and impact of suspended materials
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US20110105377A1 (en) * 2007-12-18 2011-05-05 Colgate-Palmolive Company Degreasing all purpose cleaning compositions and methods
WO2012082097A1 (en) 2010-12-13 2012-06-21 Colgate-Palmolive Company Dilutable concentrated cleaning composition
US8282743B2 (en) 2007-12-18 2012-10-09 Colgate-Palmolive Company Alkaline cleaning compositions
WO2012177277A1 (en) 2011-06-22 2012-12-27 Colgate-Palmolive Company Liquid salt cleaning compositions
WO2012177276A1 (en) 2011-06-22 2012-12-27 Colgate-Palmolive Company Choline salt cleaning compositions
US8540823B2 (en) 2009-05-01 2013-09-24 Colgate-Palmolive Company Liquid cleaning compositions with films
WO2014099226A2 (en) 2012-12-19 2014-06-26 Colgate-Palmolive Company Personal cleansing compositions containing zinc amino acid/trimethylglycine halide
US8785366B2 (en) 2008-05-23 2014-07-22 Colgate-Palmolive Company Liquid cleaning compositions and methods
US8895492B2 (en) 2010-12-13 2014-11-25 Colgate-Palmolive Company Dilutable concentrated cleaning composition comprising a divalent metal salt
US9498421B2 (en) 2012-12-19 2016-11-22 Colgate-Palmolive Company Two component compositions containing tetrabasic zinc-amino acid halide complexes and cysteine
US9504858B2 (en) 2012-12-19 2016-11-29 Colgate-Palmolive Company Zinc amino acid halide complex with cysteine
US9572756B2 (en) 2012-12-19 2017-02-21 Colgate-Palmolive Company Teeth whitening methods, visually perceptible signals and compositions therefor
US9675823B2 (en) 2012-12-19 2017-06-13 Colgate-Palmolive Company Two component compositions containing zinc amino acid halide complexes and cysteine
US9750670B2 (en) 2012-12-19 2017-09-05 Colgate-Palmolive Company Zinc amino acid complex with cysteine
US9757316B2 (en) 2012-12-19 2017-09-12 Colgate-Palmolive Company Zinc-lysine complex
US9763865B2 (en) 2012-12-19 2017-09-19 Colgate-Palmolive Company Oral gel comprising zinc-amino acid complex
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US9775792B2 (en) 2012-12-19 2017-10-03 Colgate-Palmolive Company Oral care products comprising a tetrabasic zinc-amino acid-halide complex
US9827177B2 (en) 2012-12-19 2017-11-28 Colgate-Palmolive Company Antiperspirant products with protein and antiperspirant salts
US9861563B2 (en) 2012-12-19 2018-01-09 Colgate-Palmolive Company Oral care products comprising tetrabasic zinc chloride and trimethylglycine
US9901523B2 (en) 2012-12-19 2018-02-27 Colgate-Palmolive Company Oral care products comprising zinc oxide and trimethylglycine
US9925130B2 (en) 2012-12-19 2018-03-27 Colgate-Palmolive Company Composition with zinc amino acid/trimethylglycine halide precursors
US9943473B2 (en) 2012-12-19 2018-04-17 Colgate-Palmolive Company Zinc lysine halide complex
WO2018125648A1 (en) 2016-12-27 2018-07-05 Colgate-Palmolive Company Cleaning compositions and methods for modifying turbidity and enhancing fragrance performance
WO2018125646A1 (en) 2016-12-27 2018-07-05 Colgate-Palmolive Company Cleaning compositions and methods for modifying turbidity
US10105303B2 (en) 2012-12-19 2018-10-23 Colgate-Palmolive Company Oral care composition comprising zinc amino acid halides
US10188112B2 (en) 2012-12-19 2019-01-29 Colgate-Palmolive Company Personal cleansing compositions containing zinc amino acid/trimethylglycine halide

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AU3127000A (en) 1998-12-22 2000-07-12 Chevron Chemical Company Llc Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins

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US2712530A (en) * 1950-03-31 1955-07-05 Exxon Research Engineering Co Sulfonate detergent blend
US2944028A (en) * 1956-09-12 1960-07-05 California Research Corp Sulfonate detergent compositions
FR1272254A (en) * 1959-10-26 1961-09-22 Colgate Palmolive Co detergent bar
US3169987A (en) * 1960-12-30 1965-02-16 Universal Oil Prod Co Alkaryl sulfonate production via n-olefin isomerization

Cited By (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433846A (en) * 1964-05-07 1969-03-18 Chevron Res Biodegradable detergent alkylate having improved detergent properties
US3342888A (en) * 1965-02-17 1967-09-19 Atlantic Refining Co Production of low 2-phenyl isomer content monoalkylbenzene fractions
US3391210A (en) * 1965-02-17 1968-07-02 Continental Oil Co Process for the preparation of detergent alkylate
US3352933A (en) * 1965-12-07 1967-11-14 Atlantic Refining Co Isomerization of 2-phenyl alkanes
US3538006A (en) * 1966-07-27 1970-11-03 Witco Chemical Corp Emulsion cleaner
US3639291A (en) * 1969-08-25 1972-02-01 Monsanto Co Surfactant composition and liquid detergent formulations containing same
US3970596A (en) * 1973-11-26 1976-07-20 Colgate-Palmolive Company Non-gelling alpha-olefin sulfonate liquid detergent
US3951879A (en) * 1973-12-14 1976-04-20 Colgate-Palmolive Company Detergent that reduces electrostatic cling of synthetic fabrics
US4162236A (en) * 1978-01-05 1979-07-24 Monsanto Company Detergent compositions containing mixtures of alkylbenzene sulfonates as the detergent active
US4486329A (en) * 1983-10-17 1984-12-04 Colgate-Palmolive Company Liquid all-purpose cleaner
US4842767A (en) * 1986-09-10 1989-06-27 Colgate-Palmolive Company Heavy duty built aqueous liquid detergent composition containing stabilized enzymes
EP0478086A2 (en) 1990-09-25 1992-04-01 Colgate-Palmolive Company Stable microemulsion disinfecting detergent composition
US6147246A (en) * 1999-12-23 2000-11-14 Condea Vista Company Process for preparing alkoxylated dialkyl carbonate compounds
US20060009368A1 (en) * 2002-10-01 2006-01-12 Ralf Noerenberg Alkylglycidol carbonates as cosurfactants
US20050281765A1 (en) * 2002-10-01 2005-12-22 Basf Aktiengesellschaft Reaction products of 2-propylheptanol with 1-halogen-2,3-epoxypropanes and 1-hydroxy-2,3-epoxypropane
US7666903B2 (en) * 2002-10-01 2010-02-23 Basf Aktiengesellschaft Reaction products of 2-propylheptanol with 1-halogen-2,3-epoxypropanes and 1-hydroxy-2,3-epoxypropane
US20050106112A1 (en) * 2002-12-30 2005-05-19 Boyd Thomas J. Oral and personal care compositions and methods
US9918909B2 (en) 2002-12-30 2018-03-20 Colgate-Palmolive Company Oral and personal care compositions and methods
US9827172B2 (en) 2002-12-30 2017-11-28 Colgate-Palmolive Company Dentifrice containing functional film flakes
US20080160056A1 (en) * 2002-12-30 2008-07-03 Boyd Thomas J Oral and Personal Care Compositions and Methods
US9498410B2 (en) 2002-12-30 2016-11-22 Colgate-Palmolive Company Oral and personal care compositions and methods
US7087567B2 (en) 2003-04-14 2006-08-08 Colgate-Palmolive Company Antibacterial light duty liquid cleaning composition
US20040204331A1 (en) * 2003-04-14 2004-10-14 Colgate-Palmolive Company Antibacterial light duty liquid cleaning composition
US20060264349A1 (en) * 2003-04-14 2006-11-23 Thomas Connors Antibacterial light duty liquid cleaning composition
US6908890B2 (en) 2003-05-19 2005-06-21 Colgate-Palmolive Company Pearlescent solution
US20040235690A1 (en) * 2003-05-19 2004-11-25 Colgate-Palmolive Company Pearlescent solution
US20050020465A1 (en) * 2003-07-23 2005-01-27 Colgate-Palmolive Company Liquid dish cleaning compositions
US7115550B2 (en) 2003-08-28 2006-10-03 Colgate-Palmolive Company Liquid dish cleaning compositions
US20060122092A1 (en) * 2003-08-28 2006-06-08 Gregory Szewczyk Liquid dish cleaning compositions
US20050288209A1 (en) * 2003-11-06 2005-12-29 John Fletcher Cleaning compositions in the form of a tablet or granule
WO2006116099A1 (en) 2005-04-21 2006-11-02 Colgate-Palmolive Company Liquid detergent composition
WO2007123566A1 (en) 2006-04-21 2007-11-01 Colgate-Palmolive Company Composition for visibility and impact of suspended materials
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EP2453003A1 (en) 2006-12-15 2012-05-16 Colgate-Palmolive Company Liquid Detergent Composition
US20110105377A1 (en) * 2007-12-18 2011-05-05 Colgate-Palmolive Company Degreasing all purpose cleaning compositions and methods
US8765655B2 (en) 2007-12-18 2014-07-01 Colgate-Palmolive Company Degreasing all purpose cleaning compositions and methods
US8282743B2 (en) 2007-12-18 2012-10-09 Colgate-Palmolive Company Alkaline cleaning compositions
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US9157051B2 (en) 2011-06-22 2015-10-13 Colgate-Palmolive Company Liquid salt cleaning compositions
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US9750670B2 (en) 2012-12-19 2017-09-05 Colgate-Palmolive Company Zinc amino acid complex with cysteine
US9757316B2 (en) 2012-12-19 2017-09-12 Colgate-Palmolive Company Zinc-lysine complex
US9763865B2 (en) 2012-12-19 2017-09-19 Colgate-Palmolive Company Oral gel comprising zinc-amino acid complex
US10245222B2 (en) 2012-12-19 2019-04-02 Colgate-Palmolive Company Dentifrice comprising zinc-amino acid complex
US9675823B2 (en) 2012-12-19 2017-06-13 Colgate-Palmolive Company Two component compositions containing zinc amino acid halide complexes and cysteine
US9572756B2 (en) 2012-12-19 2017-02-21 Colgate-Palmolive Company Teeth whitening methods, visually perceptible signals and compositions therefor
US9827177B2 (en) 2012-12-19 2017-11-28 Colgate-Palmolive Company Antiperspirant products with protein and antiperspirant salts
US9504858B2 (en) 2012-12-19 2016-11-29 Colgate-Palmolive Company Zinc amino acid halide complex with cysteine
US9861563B2 (en) 2012-12-19 2018-01-09 Colgate-Palmolive Company Oral care products comprising tetrabasic zinc chloride and trimethylglycine
US9901523B2 (en) 2012-12-19 2018-02-27 Colgate-Palmolive Company Oral care products comprising zinc oxide and trimethylglycine
US9498421B2 (en) 2012-12-19 2016-11-22 Colgate-Palmolive Company Two component compositions containing tetrabasic zinc-amino acid halide complexes and cysteine
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US9943473B2 (en) 2012-12-19 2018-04-17 Colgate-Palmolive Company Zinc lysine halide complex
US9993407B2 (en) 2012-12-19 2018-06-12 Colgate-Palmolive Company Teeth whitening methods, visually perceptible signals and compositions therefor
US10195125B2 (en) 2012-12-19 2019-02-05 Colgate-Palmolive Company Oral care composition comprising zinc-lysine complex
US10188112B2 (en) 2012-12-19 2019-01-29 Colgate-Palmolive Company Personal cleansing compositions containing zinc amino acid/trimethylglycine halide
US10105303B2 (en) 2012-12-19 2018-10-23 Colgate-Palmolive Company Oral care composition comprising zinc amino acid halides
US9925130B2 (en) 2012-12-19 2018-03-27 Colgate-Palmolive Company Composition with zinc amino acid/trimethylglycine halide precursors
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Also Published As

Publication number Publication date
CH481213A (en) 1969-11-15
NL6504957A (en) 1965-10-21
ES310058A1 (en) 1965-06-01
DE1281087B (en) 1968-10-24
OA1693A (en) 1969-12-15
SE303168B (en) 1968-08-19
BE662407A (en) 1965-08-02
GB1087337A (en) 1967-10-18
DK117311B (en) 1970-04-13

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