CA1298162C

CA1298162C - Prespotter laundry detergent and method of stabilizing and forming the same

Info

Publication number: CA1298162C
Application number: CA000530449A
Authority: CA
Inventors: Karen K. Kristopeit; Calvin J. Verbrugge
Original assignee: SC Johnson and Son Inc
Current assignee: SC Johnson Commercial Markets Inc
Priority date: 1986-03-14
Filing date: 1987-02-24
Publication date: 1992-03-31
Anticipated expiration: 2009-03-31
Also published as: BR8701144A; AR245198A1; EP0237075A3; JPS62240398A; AU595297B2; PT84471B; KR910009189B1; AU6999387A; PH25826A; ZA871861B; NZ219614A; KR870009009A; JPH0631413B2; PT84471A; EP0237075A2

Abstract

ABSTRACT

A heavy duty clear liquid built detergent composition. The composition comprises at least one nonionic surfactant, a builder, a water soluble polymeric anionic hydrotrope anti-redeposition agent, and water. The hydrotrope is selected from the group of hydrolyzed alpha olefin maleic anyhydride polymers, copolymers and terpolymers having a carbon content of about C4 to C30+. The composition has a pH
in the range of about 6 to 9.

Description

~Z~8~62 This invention relates to clean stable single phase built liquid detergent compositions and to a method of stabilizing and forming such a composition.
Normal powder dPtergents are a mixture of surfactants and inorganic builders in a ratio of 5 about 1:1 to 1:2. When these components are con-centrated into a liquid detergent form, there is a multiphase separation.
Historically, liquid detergents have recog-nized and struggled with this incompatibility. The 10 result has been that current commercial liquid laundry detergents are almost all surfactants with very little or no inorganic builders present. The inorganic builders are desirable because they are the lowest cost cleaning components in detergents.
L5 Recent developments have partially solved this problem by using more expensive organic, polycarboxylate builders and by suspending inorganic builders in the liquid detergent system. Whereas these systems have been successful as a detergent, 20 they have not provided good prespotter properties.
Good detergency and good prespotting prop-erties have also historically been incompatible in a single liquid. The best cleaning detergents have been highly built, high alkaline system. However, in 25 a liquid detergent, high alkalinity will fix certain stains such as coffee, tea and red wine.
Highly alkaline liquids can also cause skin irritations.
Detergent compositions containing polymers ` -`~;``. ~2~8~1Ei2 as builders-~are old and well known in the art. A
number of these patents can be seen by viewing the literature.
U.S. Patent No. 3,691,107 discloses a 5 detergent composition comprising a mixture of one or more surfactants with a unique builder of compositions which comprises a cross linked, water-insoluble copolymer of at least one C4-ClO olefin and at least one polycarboxyl vinyl monomer. The cross linked lO water insoluble copolymer is a water-swellable gel forming material. This patent is of particular in-terest to the present art in examining Example l, Table l as contained in column 11, lines 7-35.
Specifically, alpha olefin maleic anhydride copoly-15 mers are disclosed as old and well known in theart. However, a reading of the Example indicates that they are being used in the patent example as a powder detergent composition. No hydrotrope prop-erties are inherent in the alpha olefins of the 20 composition and they are cross linked with diamines and triamines and with diols and triols. They are then hydrolyzed to make water insoluble swellable gels. All the examples are for powdered detergents and although they do mention an aqueous dispersion of 25 the detergent composition, they are cloudy, two-phased liquids. Moreover, the levels at which the alpha olefin maleic anhydride copolymers are used at are a level of 40~ by weight of the composition from which it would appear that the use o~ the copolymer 30 is as a builder substitute.
U.S. Patent No. 3,208,9~9 discloses ethylene maleic anhydrides and polyvinyl methacrylate maleic anhydride interpolymers for use in a heavy duty or buil-t liquid detergent system. This patent discloses 35 the use of a caprylic acid salt to function as a ~29~
-- ? --binary system to stabilize a built detergent into a substantially homogeneous po~rable liquid deter-gent.
U.S. Patent No. 3,830,745 depicts a de-5 tergent composition which includes anionic or non-ionic surface active agents and as a builder a novel water soluble salt of a copolymer of cyclopentene or its derivatives with maleic anhydrides. These cyclo-pentene maleic anhydride copolymers are hydrolyzed 10 to an alkali metal salt to function as novel build-ers. ~he molecular weight of the copolymer is stated as 350 to 2000~ This is a powder system.
U.S. Patent No. 3,852,213 discloses chelat-ing compositions comprising 90 to 70% of polyvinyl 15 methacrylate maleic anhydride copolymer and a 3 to 30~ bora~, detergent dyeing, scouring and similar compositions containing the ingredients and a process for chelating varies Group II and Group III metal ions.
U.S. Patent No. 3,328,309 depicts a liquid detexgent composition haviny a surface active deter-gent ingredient in a liquid medium. The detergent may be any commonly used surfactants of the nonionic and anionic types and mixtures thereof. The patent 25 discloses the use of polymeric anhydrides having ethoxylated esters and anh~drides.
The copolymers are all partial esters made by heating the anhydrides with ethoxylated or hydroxy containing surfactants to make partial esters.
U.S. Patent No~ 3,509,059 depicts a stable, heavy duty liquid detergent composition which con-tains high electrol~te content as a builder which is produced in a stabilized form by polymerizing to a polymer a monomer in the presence of the detergent 35 material. The polymer acts as a stabilizer for the compositions. The composition is essentially a \ ~2g~6Z

polymerization of an alpha, beta unsaturated carboxylic acid to ~ surfactant. In other words, this is a polymer which is grafted onto a surfactant. The acid has to be converted to salt first in order to have a functioning system.
Accordingly, an object of this invention is to provide a method of stabilizing and forming a clear homogeneous built liquid ~ystem which is neutral to slightly alkaline and which has good prespotter properties.
According to one aspect of ~he invention there is provided a method of stabilizing and forming a clear, stable, single phase built solvated aqueous d~tergent composition, comprising an aqueous composition comprising:

(a) at least une nonionic surfactant in an amount of from about 5 to 25~ by weight of the composition; and ~b) a builder selected from the ~roup consisting of borates, citrates, non-phosphorous inorganic builders, phosphates~ nitrilotriacetic acid, salts of nitrilotriacetic acid, salts of ethylenediamine tetraacetic acid, non-phosphorous organic builders and mixtures thereo~, said ~uilder being present in an amount of from a~out 2 to 25% by weight of the composition;

said method comprising includinq within said aqueous composition a water~soluble polymerie anionic hydrotrope anti-redeposition agent in amount of from about 1 to lO~ ~y weight of the composition, said hydrotrope being a hydrolyzed polymer selected from the group consisting of a copolymer of maleic anhydride mono~er and an alpha olefin monomer ~aving fro~ 6 to about 24 carbon atoms and a ter- or higher polymer of maleic anhydride and alpha olefins selected from the group consisting of C2-Cx, wherein x is an integer from 4 to 30+ and said ter- or higher polymer contains at least two different alpha olefins, at least one of said alpha olefins being ~ C2 to C18 alpha olefin and the B

- 4a -ratio of alpha olefins present is such that the average alpha olefin carb~n chain length in said ter- or higher polymer is greater than about 6 and less than about 18 to obtain said clear, stable, single phase built solvated aqueous composition;
wherein the aqueous solvated detergent composition has a pH
in the range of from about 6 to 9.
Another aspect of the present in~ention provides a clear, stable, single phase built li~uid detergent composition, characteri~ed by a) at least one nonionic surfactant in an amount of from about 5 to 25% by weight of khe composition; b) a builder in an amount of from about 2 to 25% by weight of the composition, c) a water soluble lS polymeric anionic hydrotrope anti-redeposition agent in an amount of about 1 to 10~ by weight of the composition, said hydxotrope ~eing selected from the group of hydrolyzed alpha olefin maleic anhydride polymers, copolymers and ter-polymers having a carbon content of about C4 to C30~, d) at least one cationic quaternary ammonium fabric softener, and; e) the balance water wherein said composition has a pH in the xange of about 6 to 9.
The hydrolyzed alpha olefin maleic anhydride copolymer preferably has a car~on range from C4 to C18, and most preferably C6 to C1~. The liquid laundry detergent i~ a heavy duty or built liquid detergent which is basically nonionic in nature and yet, is able to utilize borates, phosphates and carbonates as the main builders by the use of the hydrolyzed alpha olefin maleic anhydride copolymers.
The hydrolyzed alpha olefin maleic anhydride copolymers function as a hydrotrope to bring two different phases of a normally two phase;system into a single clear phase liquid detergent which has remarkable cleaning and prespotting properties when ~ ~Z~ Ei2 compared to the prior art liquid detergents and powdered detergents. Liquid detergents as a rule contain no builders or much lower concentrations of builders than powdered detergents. These builders, 5 which are common in the art, are normally ionic, and by raising the concentration of ionics in solution, the nonionic surfactants of a liquid detergents tend to separate or phase out. In order to make up for the loss of detergency for lack of builders, liquid lO detergents must use higher surfactant levels. It has been discovered in the present invention that by using a water soluble polymeric anionic alpha olefin maleic anhydride copolymer having a carbon content of C4 to C30 and more preferably from C4 to C18 and 15 most preferably from C6 to C10, the polymer acts as a hydrotrope to bring the builders in phase with the nonionic surfactants in an aqueous system which forms a stable single phase liquid detergent which is re-sistant to phase separation.
Moreover, the hydrolyzed alpha olefin maleic anhydride copolymers useful in the present in~ention have surprisingly been found to act as an excellent anti-redeposition agent as well as an ad-ditional builder which aids in the cleaning of the ~5 detergent. Accordingly, detergents formed according to the present invention have excellent prespotting and cleaning properties when compared with other liquid detergents as known in the art.
Further, it is another unexpected result 3~ of the use of the hydrolyzed alpha olefin maleic anhydride copolymers that this built single phased clear liquid detergent is compatible with cationic quaternary ammonium fabric softeners which would nor-mally separate out of solution in the presence of 3~ anionic detergents~ Accordingly, the use of the ~8~6;i~

hydrolyzed alpha olefin maleic anhydride copolymers function as hydrotropes to bring the nonionic surfactants and builder together in a clean stable single phase liquid detergent and also allow the use of quaternary ammonium fabric so~teners which are cationic in nature and would ordinarily separate out of a normal liquid detergent.
A preferred embodiment of the invention will now be described in greater detailO
A clear, stable, single phase built liquid deter~ent composition which is able to use surprisingly large amounts of ionic builders is achieved by the use of a water soluble polyermic anionic hydro~rope which is an alpha olefin maleic anhydride copolymer having a carbon content of about C~t to C30-~, more preferably from C4 to C18 and most preferably from C6 to C10. The alpha olefin copolymers and terpolymers useEul as a hydrotrope in this in~ention are made by the bulk process disclosed by U.S. Patent 4,358,573 and the solution process of ~.S.
Patent 4,522,992.
The alpha olefin maleic anhydride polymers useful in the present invention are polymers of maleic anhydride and at least one 1-alkene having about 4-30 carbon atoms and terpolymers with at least two different alpha olefins. Preferably, the polymers are comprised of from about 49 to 80 mole percent of maleic anhydride and from about 20 to 51 mole percent of alpha o].efin. These polymers are partially disclosed in U.S. Patent No. 4,358,573; in particular, suitable alpha olefin maleic anhydride polymers are disclosed.
The anhydride included in the alpha olefin ~9~Ei2 maleic anhydride polymers is most preferably maleic anhydride. However, other maleic anhydrides can be utilized in this formation of the polymers such as methylmaleic anhydride, dimethylmaleic anhydride, 5 fluoromaleic anhydride, methylethyl maleic anhy-dride and the like. Accordingly, as employed herein the term "maleic anhydride" includes such anhydrides in whole or in part. It is preferred that the anhydride be substantially free of acid and the like 10 before polymerization.
The alpha olefins suitable in the forma-tion of the polymers have from 4 to 30 carbon atoms and include the following: l-butene; l-pentene;
1-hexene, l-heptene; l-octene; l-nonene; l-decene;
15 l-dodecene; l-tetradecene; 1-hexadecene; l-hepta-decene; l-octadecene; 2-methyl-1-butene; 3,3-dimethyl-l~pentene; 2-methyl-1-heptene; 4,4-dimethyl-l-heptene; 3,3-dimethyl-1-hexene; 4-methyl-1-pentene;
l-eicosene; l-docosene; l-tetracosene; l-hexacosene;
20 l-octacosene; l-triacontener Mixtures of the above materials can be utilized. It is preferred to utilize straight chain l-alkenes having from 4 to 18 carbon atoms, and ac-cordingly, l-butene, l-pentene, l-hexene, l-heptene, 25 l-octene, l-nonene, l-decene, l-dodecene, l-tetra-decene, l-hexadecene, l-heptadecene, l-octadecene, and mixtures thereof are preferred. These materials should be substantially free of diolefin as an im-purity which causes gel formation and crosslinking.
30 However, small amounts, i.e., less than 2 percent, can be present without causing undue gel formation and crosslinking in the resulting polymers. Also - as noted above, either single materials, i.e., 1-- butene, l-decene, etc., can be used, or mixtures of 35 these materials may be utilized.

~29~ iZ

~; As is well known in the art, polymers containing equimolar ratios of alpha olefin maleic ~ anhydride are essentially alterna-ting polymers with `~ maleic anhydride alternating between random comon-5 omers. Accordingly, the alpha olefin maleic anhy-- dride polymers may contain from about 49 to 80 mole percent of maleic anhydride. Under some con-ditions such as high temperature and very high in-itiator levels, it is pocsible to include an excess 10 of maleic anhydride relative to the comonomer in these polymer,. The amount of alpha olefin will vary from about 50 to 20 mole percent. The optimum alpha olefin maleic anhydride polymers include about 50 mole % maleic anhydride and about 50 mole 15 alpha olefin.
The alpha olefin maleic anhydride polymers may be prepared by any of a number of conventional polymerization processes including polymerization processes as set forth in UOS. Reissue Patent No.
20 28,475, U.S. Patent Numbers 3,553,177, 3,560,455, 3,560,456, 3,560,457, 3,488,311, 4,522,992 and 4,358,573.
The polymers useful in the present inven-tion are generally low molecular weight materials hav-~j 25 ing a number average molecular weight within the range of from about 500 to 50,000. Moreover~ alpha olefin maleic anhydride terpolymers such as C2-Cx~ where x is an integer from 4 to 30-~, may also be used.
Nonionic surfactants are usually made by the condensation of an alkylene oxide (normally ethylene or propylene oxide) with an organic hydro-phobic compound which is usually aliphatic or alkyl 3LZ98~6Z

g - aromatic in nature. The degree of hydrophilic/
hydrophobic balance of these nonionic surfactants ~, is adjusted by shorter or longer chain lengths of the polyoxyalkylene constituent. The following are ` 5 examples of suitable nonionic surfactants: poly-ethylene condensates of alkyl phenols having an al]~yl group containing from about C6 to C12 are useful. The ethylene oxide is present in an amount of about 5 to 25 moles of ethylene oxide per mole of ~10 alkyl pheno]. Commercial examples of these surfac-tants are~Igepal CO-610 marketed by GAF Corporation, ~Surfonic N95 marketed by Texaco and Triton X-100 sold by Rohm and Haas Company. Other surfactants useful are the condensation products of long chain 15 fatty alaphatic alcohols having a carbon content of about C8 to C22 when ethoxylated with about 1 to 25 moles of ethylene oxide. Commercial examples of these surfactants are Tergitol 15-S-9 from Union Carbide Corporation and ~eodol 25-3 marketed by 20 Shell Chemical Company.
Condensation products of ethylene oxide with hydrophobic bases formed by the condensation of polypropylene oxide with polypropylene glycols are also useful as nonionic surfactants. The hy-i 25 drol?hobic base which is reacted with polypropylene oxide and polypropylene glycol should have a molecu-lar weight of about 1500 to 1800. Examples of these polypropylene condensates are the Pluronic sur-factants from BASF Wyandotte Corporation. Conden-30 sation products of ethylene oxide with a product reaction of propylene oxide and ethylene diamine are also useful. The hydrophobic base of propylene and ethylene oxide usually has a molecular weight from 2500 to about 3000. The final surfactant has a 35 molecular weight of from about 5,000 to 11,000.

~ f~ s~ D ~

~g~

~ Commercial examples of these condensates are the i Tetronic compounds sold by BASF Wyandotte Corporation.
Other examples are the semi polar non-ionic water soluble amine oxide surfactants having 5 the formula:
~ O

l _ (OR2)X - N - R3 ~` R4 wherein Rl is an alkyl, hydroxyl, or alkyl phenol having a carbon content of about C8 to C22, R is ` an alkylene or hydroxy alkylene having a carbon 10 content of about C23 to C3, X4 is a number of from 0 to 3 preferably 2, and R and R4 can be an alkyl or hydroxy alkyl having a carbon content of about Cl to C3 or a polyethylene oxide group containin~
from about 1 to 3 ethylene oxide groups. APG 23-3 15 from A. E. Staley Manufacturing Company is an example of an ethoxylated polysaccharide.
Examples of commercial amine oxide sur-factants are Amrnonyx CDO or ~mmonyx LO from ~r Chemical Company. Other examples are tallow di-20 methyl amine oxide and coco alkoxyethyl dihydroxy-ethyl amine oxide.

Other useful condensation products in-clude alkyl polysaccharides having the formula:

R - O(CnH2nO)z(GlycOsyl)x ~a~ m~

~ . ~

~Z~8~62 wherein Rl is an alkyl, alkylphenol, hydroxyalkyl or hydroxyalkyl phenol, said alkyl containing groups having a carbon content of from about C10 to C18, n is a number from about 2 to 3, z is a number from 5 about 0 to 10, and x is a number of from about 1 to 3.

Fatty acid amines are also useful as nonionic surfactants ~n this invention. The fatty acid amines are those having the formula:

10, o . c ~ N(R")2 wherein r~l is an alkyl group having a carbon content of about C7 to C21, R is hydrogen, a Cl to C4 alkyl, a Cl to C4 hydroxyalkyl, ~and (C2H4O)X, where x varies from about l to 3, and mixtures of these surfactants.
15 Mazamide C-2, POE (2) cocomonethanol amide from Mazer Chemicals, Inc. is an example of a fatty acid amide nonionic surfactant.
More specifically, the surfactants which are especially useful in the present invention are 20 the NEODOL'S available from Shell Chemical Company and identified as Cg to C 5 linear primary alcohol ethoxylates. Other suitable surfactants include the Tergitols available from Union Carbide Corporation and identified as polyethylene glycol ethers of 25 secondary alcohols, polyethylene glycol ethers of primary alcohols, mixed polypropylene glycols of LZ~ i2 linear alcohols, nonylphenyl polyethylene glycol ethers, trimethyl nonyl polyalkylene glycol ethers, and polyalkalene glycol ethers.
Other nonionic surfactants which are 5 especially useful in the present invention are ethoxy-lated nonylphenols and the ethoxylated octylphenols.
Cornmercial examp]es of these chemicals are Surfonic N95 from Texaco, Triton X100 from ~ohm and Haas Company and Igepal CA620 from GAF Corporation.
10 The ethoxylated secondary linear alcohols such as Tergitol 15-S-9 from ~nion Carbide Corporation are also especially useful.
A builder such as borax is present in an amount of from abou-t 2 to 25% by weight of the compo-15 sition. Presumably, all effective ionic buildersknown in the art will prove effective in this sys-tem. However, those of special interest are the borates, citrates, the non-phosphorous inorganic builders, the phosphates, the non-phosphorous or-20 ganic builders, and mixtures thexeof.
The borates are the builders of firstchoice and may be selected from the group consisting of sodium tetraborate, disodium octoborate tetrahy-drate, sodium metaborate, the analogous potassium 25 salts ~nd mixtures thereof. The phosphates, al-though currently in disfavor with ecologists, may also be useful in this invention. The phosphates may be selected from the group consisting of sodium tripolyphosphate, tetrapyropolyphosphate, tetra-30 sodium pyrophosphate, disodium phrophosphate, sodiummetaphosphate, sodium hexamethaphosphate the anal-ofoug potassium salts of these compounds, and mixtures thereof.

` ~298~L62 The non-phosphorous inorganic builders are carbonates and particularily those selected from the group-consisting of sodium carbonate, potassium carbonate, bicarbonate, sesquicarbonate, and mixtures 5 thereof.
The non-phosphorous organic builders use-ful in the present invention are those which are selected from the group consisting of alkali metals and alkyl ammonium salts of polyacetates, the car-10 boxylates, polycarboxylates, and polyhydroxy sul-fonates as well as mixtures thereof.
This system also optionally further in-cludes at least one additional builder and pref-erably two or more additional builders as an additional 15 bui.lder system which is present in an amount from about 2 to 10~ by weight of the composition. The additional builder system may be selected from the group consisting of the salts of ethylene diamine tetracotic acid, the salts of nitrilotriacetic acid, 20 the salts of hexamethylene diamine tetracetric acid, tne salts of diethylene triamine pentacetic acids, si.licates, and mixtures thereof.
Additionally, but not preferably, anionic surfactants are also useful in the present invention 25 but not in a preferred embodiment. The anionic surfactants are useful in a range of from about 2 to 25% by weight of the composition and preferably at about 5% by weight of the composition. The anionic surfactants include at least one anionic surfactant 30 selected from the group consisting of alkaline metal salts, ammonium and alkyl ammonium salts of fatty acids having a carbon content of from about C10 to C20 range, water soluble salts such as ammonium and alkyl ammonium salts of organic sulfuric reaction 35 products having an alkyl group containing from about ~2~ 6~

C10 to C20 carbon atoms, and a sulfonic or sulfuric acid ester group.
Other useful anionics include the water soluble salts of the esters of alpha sulfonated 5 fatty acids having a carbon content of about C6 to C20 in the fatty acid groups and from about Cl to C10 in the ester groups.
Other water soluble salks useful in the present invention include the water soluble salts of 10 2-ac~loxy-alkane-1-sulfonic acids containing from about C2 to Cg carbon atoms in -the acyl group and about Cg to C23 in the alkane moeity, alkyl ether sulfates containing from about C10 to C20 carbon atoms in the alkyl groups and from about 1 to 30 15 moles of ethylene oxide, water soluble salts of olefin sulfonates containing from about C12 to C24 beta alkyloxyalkane sulfonates which contain from about Cl to C3 carbon atoms in the alkyl group and from about C8 to C20 carbon atoms in the alkane 20 moeity, anlonic phosphate surfactants, n-alkyl substituted succinamates, and mixtures thereof.
The composition may also optionally fur-ther include a pH adjuster to keep the liquid deter-gent near neutral or slightly alkaline in pH value.
25 The preferred pH ranges are from about 6 to 9, more preferably from about 7 to 8.5, and most pref-erably at about 8. The pH adjusters may be selec-ted from any acid group and citric acid is especially preferred because of its builder properties. The 30 pH adjusters are present in a range of from about 0.1 to 5% by weight of the composition.
Further, and surprisingly, the liquid laundry detergent composition may also further in-clude at least one cationic quaternary ammonium 35 fabric softener selected from the group consisting of:

lZ98~62 1 2 (~) Rl I R3 X(-) R3 y 2 ~ + ) Rl-C --N ( ~ ) R,~;;N~ 2 X ( - ) Rl-CO-NE~-R4 C~
_ _ Y

~298~
. . .

r R~ R2 1 ( + ~
N ~ H2 X(-) Rl-CO-NH-R4 CH2 Y

R2 (+) Rl-CO-NH-R4-N- (CH2CHzO) nH X( - ) P~4 -NH-CO-Rl Y

R2 (+) Rl-CO-NH--R4--N-R4N--(CH2CHzO)nH X(-) O-Rl R3 y NE~-R~-N~ ~ y RlC N RZ (+) IIN CH2 X ( - ) C--O CHz R' Y

X ( - ) R 1--N+--R4--N+--R2 X ( - ) R2 R2 _ iE;2 Ul~ C -N~ \ ~
O ~ X ( - ) Rl C - NH R~ R6 _ The reaction product of about 2 moles of an acid having formula R5COOH and about l mole of an alkylene diamine having formula H2N-C2H4-NHR5 said 5 reaction product being a mixture of amides, esters and imidazolines and mixtures thereof.
In the foregoing formulas, Rl is an alkyl or alkenyl straight or branched chain hydroearbon containing from 8 to 22, preferably from 11 to 19 10 earbon atoms. R2 is an alkyl group containing from 1 to 3 carbon atoms. R3 represents Rl or R2.
R4 is an alkylene group eontaining from 1 to 2 earbon atoms. R5 is an aliphatie alkyl group containing from 15 to 19 carbon atoms. R6 is a hydroxyalkyl 15 group containing from l to 3 carbon atoms. X is a suitable anion sueh as chloride, bromide, iodide, sulfate, alkyl sulfate having l to 3 earbon atoms in ~he alkyl group, aeetate, ete. Also in the formulas, y is the valence of X and n represents an integer 2~ from 1 to 4. Mixtures of quaternary ammonium com-pounds may also be used to practice this invention.
Cationic fabric softeners are basically, one, two or three alkyl chains eminating from a positively charged ! eation such as nitrogen or ~L~9~3~6~

phosphorous. The alkyl groups are usually C10-C22. ~hese materials must be water soluble or water dispersible. The positively charged nitrogen can be a normal alkyl ammonium or in a cyclic ring such 5 as imidazolinium or pyridinium salts. Examples of some of the more common commercial classes of cationic fabric softeners are monoalkyl trimethyl quaternary ammonium compounds, monomethyl trialkyl quaternary ammonium compounds, dimethyl dialkyl quaternary 10 ammonium compounds, imidazolinium quaternary am-monium compounds, dimethyl alky,benzyl quaternary ammonium compounds, complex diquaternary ammonium compounds, dimethyl dialkoxy alkyl quaternary am-monium compounds, diamidoamine based quaternary 15 ammonium compounds, dialkyl methyl benzyl quater-nary ammonium compounds, alkyl pyridinium salts, and amido alkoxylated ammonium. Usually these com-mercial quaternary ammonium compounds contain alkyl group3 of C10-Cl8 or a mixture thereof.
It has been surprisingly found that ~uaternary fabric softeners may be tolerated in this detergent system.
The composition may also include proteolytic enzymes in an amount of 0.01 to 5% by weight of the 25 composition, optical brighteners in an amounts of about 0.05 to 5% by weight of the composition as well as perfumes, dyes, disinfectants and other in-gredients which are standard and well known in the art.
Preferably, the composition is comprised of from ahout 5 to 25% by weight of at least one non-ionic surfactant, at least one builder and preferably a borate builder present in an amount of about 2 to 25% by weight of the composition and more preferably 35 at about 5% by weight of the composition, an additional " ~Z~8~L6Z

builder system in an amount of about 2 to 10% by weight of the composition, a water soluble poly-meric anionic hydrotrope anti-redeposition agent which is the hydrolyzed alpha olefin maleic anhydride 5 copolymer whlch is present at about 1 to 10~ by weight of the composition, optionally a p~ adjuster present in about 0.1 to 5% by weight of the compo-sition as well as optionally effective amounts of proteolytic enzymes, optional cationic quaternary lO ammonium fabric softeners of the aforementioned type, and the balance of the composition being water. It is further contemplated that the composition have a pH in a range of about 6 to 9, more preferably from about 7 to 8.5, and most preferably at about 8.
The following examples are offered to illustrate the invention and facilitate its under-standing without limiting the scope or spirit of the invention.
The Examples were each tested according 20 to the American Society for Testing and Materials (ASTM) method for measuring soil removal from ar-tificially soiled fabrics and for evaluating stain removal performance in home laundry. In addition, each of the formulations were also tested according 25 to the guide lines as set forth by the American Association of Textile Chemists and Colorists (AATCC) as these test methods relate to soil re-deposition and soil release. A few of the formula-tions tested are enclosed in the following table:

`~ ~L2~8~Z

o o o o o o o o o r o o o o ~ ~ ~ o q~
~ r~ ~n ~n ~
N
~D¦ o o o o o n o o m r ~ ~ ~
n o o n o In , ~ o __ q.= ~0 O N O 1`1 l O O O O O O O O
~i O O O O In ~ NO o t ~ . ~ m In ~
~1 ~ ~ o n o ~ ~ ~ o qc ~i In ~i N

I o o o 1~ ~ ~ o m I ~ m ~r m ~i 1~ ~

o ~ .

~i~ m 1~
El h ~ .
,~ e ~

a _ r h ~ - o _ E

~ e o ~
u ~ s~ s ~ ~ r ~
~ e u ~ o~ o s V 0, x C ~ U ~ ~ ~ O O
~ E ~ ,U,~ ,CO ~ ~ "
e a~ ~ s 8 c .
ra I I o ul r~ ~ 8 Z ~ ~ ~n~
W C~ I V J t) h 111 ~ ~ ~) R
a ~ ~ c ~ , E ~
E O
z ~ ~ I o ~ ~1 o ,~ W ~J O ~ 4 a ~ ~2~

Each of the formulas listed in the above table had various performance ratings. The dif-ferences in performances are noted as follows.
Formula 1 indicates the use of a C6 5 alpha olefin maleic anhydride copolymer having a borax builder and an NTA additional builder system. The formula disclosed excellent stain removal on 100~
cotton and blends of cotton and polyester when tested accordingly to the test methods ennumerated above.
Formula 2 demonstrates the use of a C6-Cl~ alpha olefin maleic anhydride terpolymer. The formulation of 2 does not contain a borax builder sy,tem however it does contain a secondary builder system. The system gives good performance overall, 15 however, has a slightly downscale anti-redeposition properties when compared to the formulation of 1.
Formula 3 demonstrates the use of an ethQKylated nonophenol and its effect on oily stain 20 and particulate stain or soil removal. Specif-ically, an ethoxylated nonophenol surfactant greatly increases oily stain and particulate soil removal.
In addition, such a surfactant when coupled with a C6 alpha ole~in maleic anhydride copolymer was de-25 termined to have excellent soil anti-redeposition properties.
Formula 4 demonstrates the incorporation of a cationic quaternary ammonium fabric softener.
The fsrmula indicated the softener was able to func-30 tion very well with a minimum of interference ofdetergency of the composition. Additionally, no senaration of the phases occurred by the addition of the cationic quaternary ammonium fabric softener~

- ~ ~298~6~

Formula 5 indicates the effects of in-creasing the borax builder system. Specifically, excellent whiteness readings were obtained along with an improvement in particulate and soil removal 5 on 100% cotton. The formula was stable, from 40 to 120~
Formula 6 indicate a combination of borax as the main builder system along with tetrapotassium pyrophosphate as a secondary builder and a C6 alpha 10 olefin maleic anhydride copolymer in a detergent composition. The composition offered excellent anti-redeposition and cleaning properties.
Formula 7 indicates the use of a Clo-C18 alpha olefin maleic anhydride terpolymer and 15 demonstrates very good stain removal with this formula. Anti redeposition properties were slightly downscaled but still within the acceptable range.
All of the above formulas perform equal to or better than current commercial liquid deter-20 gents.

Processing Examples The polymer in this invention is hydrolyzedwith sodium tetraborate, ammonium hydroxide, potas-sium hydroxide, or sodium hydroxide. A concentrate 25 is prepared with water, base, and polymer at a temperature of 40C~95C until a clear solution is formed.

Processing Example 1:
-Polymer Cut #1 % by Weight Water 70,0 Sodium tetraborate 10.0 1 hexene/maleic anhydride copolymer 20.0 100.0 -~ :ll298~

Processing for Formula #l:

Charye 59.848 grams of water together with 3.5 yrams of sodium tetraborate and 1.75 grams of citric acid. Agitate until dissolved. Add 15 5 yrams of the polymer cut shown above. Add the rest of materials in the following order: 15.0 yrams of primary alcohol ethoxylate, 0.020 grams of optical brightener, 0.50 grams of enzyme, 4.0 grams of IJTA, 0.002 grams of dye, and 0.20 grams of frag-lO rance.

Processing Example #2.
_ .

Polymer Cut ~ 2 ~ by Weight Wa-ter 70.0 Ammonium hydroxide lO.0 l-hexene/maleic anhydride copolymer 20.0 100.O

Processing for Formula ~4:
.. . . _ . _ Charge 58.229 yrams of water with 5.0 grams 20 Of sodium tetraborate. Add 20.0 grams of polymer cut #2 shown above. Agitate until dissolved. Mean-while, heat 9.0 grams of primary alcohol ethoxylate and 4.0 grams of secondary alcohol ethoxylate with 3.2 grams of methyl bis 2-hydroxyethyl ammonium sul-fate to 100F. Slowly add the heated surfactants to ..... ~

-' ~129~

the water, sodium tetraborate, and polymer cut mix-ture until uniform. Add 0.30 grams of optical brightener, 0.001 grams of dye, and 0.20 grams of fragrance.
There is an amide formation up to 30%
with a cut prepared with ammonium hydroxide. Per-formance is similar to cuts prepared with sodium hydroxide, potassium hydroxide, and sodium tetra-borate.

Claims

1. A method of stabilizing and forming a clear, stable, single phase built solvated aqueous detergent composition, comprising an aqueous composition comprising:

(a) at least one nonionic surfactant in an amount of from about 5 to 25% by weight of the composition; and (b) a builder selected from the group consisting of borates, citrates, non-phosphorous inorganic builders, phosphates, nitrilotriacetic acid, salts of nitrilotriacetic acid, salts of ethylenediamine tetraacetic acid, non-phosphorous organic builders and mixtures thereof, said builder being present in an amount of from about 2 to 25% by weight of the composition;

said method comprisinq includinq within said aqueous composition a water-soluble polymeric anionic hydrotrope anti-redeposition agent in amount of from about 1 to 10% by weight of the composition, said hydrotrope being a hydrolyzed polymer selected from the group consisting of a copolymer of maleic anhydride monomer and an alpha olefin monomer having from 6 to about 24 carbon atoms and a ter- or higher polymer of maleic anhydride and alpha olefins selected from the group consisting of C2-Cx, wherein x is an integer from 4 to 30+ and said ter- or higher polymer contains at least two different alpha olefins, at least one of said alpha olefins being a C2 to C18 alpha olefin and the ratio of alpha olefins present is such that the average alpha olefin carbon chain length in said ter- or higher polymer is greater than about 6 and less than about 18 to obtain said clear, stable, single phase built solvated aqueous composition:

wherein the aqueous solvated detergent composition has a pH
in the range of from about 6 to 9.

2. The method of Claim 1, wherein said surfactants are selected from the group consisting of the polyethylene condensates of alkyl phenols having an alkyl group containing from about 6 to 12 carbon atoms with ethylene oxide, said ethylene oxide present in an amount of about 5 to 25 moles of ethylene oxide per mole of alkyl phenol, condensation products of ethylene oxide with a hydrophobic base formed by the condensation of propylene oxide with propylene glycol, said hydrophobic base having a molecular weight of from about 1500 to 1800, condensation products of ethylene oxide with the product reaction of propylene oxide and ethylene diamine, semi-polar nonionic water soluble amine oxide surfactants having the formula wherein R1 is an alkyl, hydroyl, hydroxyl or alkyl phenyl having a carbon content of about C8 to C22, R2 is an alkylene or hydroxyalkylene having a carbon content of about C2 to C3, x is a number from 0 to about 3, and R3 and R4 is an alkyl or hydroxyalkyl having a carbon content of about C1 to C3, or a polyethylene oxide group containing from about 1 to 3 ethylene oxide groups, alkyl polysaccharides having the formula R1-O(CnH2nO)z(slycosyl)x wherein R1 is an alkyl, alkylphenyl, hydroxyalkyl, or hydroxyalkyl phenyl, said alkyl contains groups having a carbon content of about C10 to C18, n is a number from about 2 to 3, z is a number from about 0 to 10, x is a number from about 1 to 3; fatty acid amides having the formula wherein R' is an alkyl group having carbon content of about C7 to C21, R" is hydrogen, C1 to C4 alkyl, C1 to C4 hydroxyalkyl, and- (C2H4O)x where x varies from about 1 to 3, and fixtures thereof.

3. The method of Claim 1, wherein the average carbon content of the total amount of alpha olefin present in said hydrolyzed polymer is from C6 to no more than about C10.

4. The method of Claim 1, wherein said borates are selected from the group consisting of sodium tetraborate, disodium octoborate, tetrahydrate, sodium metaborate and mixtures thereof.

5. The method of Claim 1, wherein said phosphates are selected from the group consisting of sodium tripolyphosphate, tetrapyropolyphosphate, tetrasodium pyrophosphate, disodium pyrophosphate, sodium metaphosphate, sodium hexametaphosphate, the analogous potassium salts, and mixtures thereof.

6. The method of Claim 1, wherein said nonphosphorus inorganic builders are selected from the group consisting of sodium carbonate, potassium carbonate, sodium bicarbonate, sodium sesquicarbonate and mixtures thereof.

7. The method of Claim 1, wherein said non-phosphorous organic builders are selected from the group consisting of alkali metals, ammonium, and alkyl ammonium salts of polyacetates, carboxylates, polycarboxylates, polyhydroxysulfonates, and mixtures thereof.

8. The method of Claim 1, further including at least one additional builder in an amount of from about 2 to 10% by weight of the composition.

9. The method of Claim 8, wherein said additional builder is selected from the group consisting of salts of hexamethylenediamine tetraacetic acid, salts of diethylenetriamine pentaacetic acid, silicates, and mixtures thereof.

10. The method of Claim 1, further including at least one cationic quaternary ammonium fabric softener selected from the group consisting of:

the reaction product of about 2 moles of an acid having formula R5COOH and about 1 mole of an alkylene diamine having formula H2N-C2H4-NHR6 said reaction product being a mixture of amides, esters and imidazolines, wherein R1 is an alkyl or alkenyl straight or branched chain hydrocarbon containing from 8 to 22, preferably from 11 to 19 carbon atoms, R2 is an alkyl group containing from 1 to 3 carbon atoms, R3 is R1 or R2, R4 is an alkylene group containing from 1 to 2 carbon atoms, R5 is an aliphatic alkyl group containing from 15 to 19 carbon atoms, R6 is a hydroxyalkyl group containing from 1 to 3 carbon atoms, X is a water soluble anion, y is the valence of X and n represents an integer from 1 to 4, and mixtures thereof.

11. The method of Claim 10, wherein said quarternary ammonium fabric softener is selected from the group consisting of ditallow dimethyl ammonium chloride, methyl-1-tallow amido ethyl-2-tallow imadazilonium methylsulfate, methyl bistallow amido ethyl)2-hydroxyethyl ammonium methyl sulfate, methyl-bis-2-hydroxyethyl coco ammonium methyl sulfate, and mixtures thereof.

12. The method of Claim 1, further including from about 2 to 25% by weight of the composition of at least one anionic surfactant selected from the group consisting of alkali metal salts, ammonium and alkylammonium salts of fatty acids having a carbon content of about C10 to C20, water soluble salts, ammonium and alkylammonium salts or organic sulfuric reaction products having an alkyl group containing about C10 to C20 and a sulfonic acid or sulfuric acid ester group, water-soluble salts of esters of alpha sulfonated fatty acids having a carbon content of about C6 to C20 in the fatty acid group and from about C1 to C10 in the ester group, water soluble salts of 2-acryloxy-alkane-1-sulfonic acids containing from about C2 to C9 in the alkyl group and about C9 to C23 in the alkane moeity, alkyl ether sulfates containing from about C10 to C20 in the alkyl group and from 1 to 30 moles of ethylene oxide, water soluble salts of olefin sulfonates containing from about C12 to C24, beta alkyloxy alkane sulfonates containing from about C1 to C3 in the alkyl group and from about C8 to C20 in the alkane moiety, anionic phosphate surfactants, N-alkyl substituted succinamates, and mixtures thereof.

13. The method of Claim 1, further including from about 0.01 to 5% by weight of the composition proteolytic enzymes.

14. The method of Claim 1, further including an optical brightener present in an amount from about 0.05 to 5% by weight of the composition.

15. The method of Claim 1, wherein said pH is 7 to 8.5.

16. The method of Claim 1, wherein said hydrotrope is a hydrolyzed alpha olefin maleic anhydride copolymer having a carbon content of about C6 to C10.

17. The method of Claim 1, wherein said hydrotrope is a hydrolyzed alpha olefin maleic anhydride polymer is a terpolymer of maleic anhydride, a C6 alpha-olefin and a C10 alpha olefin.

18. The method of Claim 1, further including an acid pH
adjuster, said pH adjuster present in an amount of about 0.01 to 5% by weight of the composition.

19. The method of Claim 18, wherein said pH adjuster is selected from the group consisting of boric acid, citric acid, succinic acid, maleic acid, and mixtures thereof.

20. A method of stabilizing and forming a clear, stable solvated single phase built liquid detergent composition comprising an aqueous composition comprising:

(a) at least one nonionic surfactant in an amount of from about 5 to 25% by weight of the composition, said nonionic surfactant selected from the group consisting of nonyl phenol ethoxylated with about 12 to 4 moles of ethylene oxide, C9 to C15 linear primary alcohol ethoxylate, C8 to C20 secondary alcohol ethoxylates, and mixtures thereof;

(b) at least one builder in an amount of about 2 to 25%
by weight of the composition selected from the group consisting of salts of nitrilotriacetic acid, sodium tetraborate, disodium octoborate tetrahydrate, sodium metaborate, phosphates, and mixtures thereof;

(c) an additional builder system in an amount of about 2 to 10% by weight of the composition, said system selected from the group consisting of salts of ethylenediamine tetraacetic acid, salts of hexamethylenediamine tetraacetic acid, salts of diethylenetriamine pentaacetic acid, salts of citric acid, silicates, non-phosphorous inorganic builders, non-phosphorous organic builders and mixtures thereof;

(d) an acid pH adjuster present in an amount of from about 0.1 to 5% by weight of the composition;

(e) effective amounts of proteolytic enzymes;

(f) at least one cationic quaternary ammonium fabric softener selected from the group consisting of ditallow dimethyl ammonium chloride, methyl-1-tallow amido ethyl-2-tallow imadazilonium methyl sulfate, methyl bis(tallow amido ethyl)2-hydroxyethyl ammonium methyl sulfate, methyl-bis-2-hydroxyethyl coco ammonium methyl sulfate and mixtures thereof.

(g) further including from about 2 to 25% by weight of the composition of at least one anionic surfactant selected from the group consisting of alkali metal, ammonium and alkylammonium salts of fatty acids having a carbon content of about C10 to C20, water soluble salts, ammonium and alkylammonium salts of organic sulfuric reaction products having an alkyl group containing about C10 to C20 and a sulfonic acid or sulfuric acid ester group, water-soluble salts of esters of alpha sulfonated fatty acids having a carbon content of about C6 to C20 in the fatty acid group and from about C1 to C10 in the ester group, water soluble salts of 2-acryloxy-alkane-1-sulfonic acids containing from about C2 to C9 in the alkyl group and about C9 to C23 in the alkane moeity, alkyl ether sulfates containing from about C10 to C20 in the alkyl group and from 1 to 30 moles of ethylene oxide, water soluble salts of olefin sulfonates containing from about C12 to C24, beta alkyloxy alkane sulfonates containing from about C1 to C3 in the alkyl group and from about C8 to C20 in the alkane moeity, anionic phosphate surfactants, N-alkyl substituted succinamates, and mixtures thereof and (h) the balance water, said method comprisinq includinq within said aqueous composition a water soluble polymeric anionic hydrotrope anti-redeposition aqent in an amount of from about 1 to 10%
by weiqht of the composition, said hydrotrope being selected from substantially non-crosslinked hydrolyzed alpha olefin maleic anhydride polymers selected from the qroup consistinq of a copolymer of maleic anhydride monomer and an alpha olefin monomer having from 6 to about 24 carbon atoms and a ter- or hiqher polymer of maleic anhydride and alpha olefins selected from the qroup consistinq of C2 to Cx, wherein x is an integer from 4 to 30+ and said ter- or hiqher polymer contains at least two different alpha olefins, at least one of said alpha olefins beinq a C2 to C18 alpha olefin and the ratio of alpha olefins present is such that the averaqe alpha olefin carbon chain lenqth in said ter- or higher polymer is qreater than about 6 and less than about 18 to obtain said clear, stable, single phase built solvated aqueous composition;

wherein said composition has a pH in the range of about 7 to 8.5.

21. A method of stabilizing and forming a stable, single phase built solvated aqueous detergent composition comprising an aqueous composition comprising:

(a) at least one-nonionic surfactant in an amount of from about 5 to 25% by weight of the composition;

(b) a builder selected from the group consisting of borates, citrates, non-phosphorous inorganic builders, phosphates, nitrilotriacetic acid, salts of nitrilotriacetic acid, salts of ethylenediamine tetraacetic acid, non-phosphorous organic builders, and mixtures thereof, said builder being present in an amount of from about 2 to 25% by weight of the composition; and (c) at least one cationic quaternary ammonium fabric softener selected from the group consisting of:

the reaction product of about 2 moles of an acid having formula R5COOH and about 1 mole of an alkylene diamine having formula H2N-C2H4-NHR6 said reaction product being a mixture of amides, esters and imidazolines, wherein R1 is an alkyl or alkenyl straight or branched chain hydrocarbon containing from 8 to 22, preferably from 11 to 19 carbon atoms, R2 is an alkyl group containing from 1 to 3 carbon atoms, R3 is R1 or R2, R4 is an alkylene group containing from 1 to 2 carbon atoms, R5 is an aliphatic alkyl group containing from 15 to 19 carbon atoms, R6 is a hydroxyalkyl group containing from 1 to 3 carbon atoms, X is a water soluble anion, y is the valence of X and n represents an integer from 1 to 4, and mixtures thereof;

said method comprising including within said aqueous composition a water-soluble polymeric anionic hydrotrope anti-redeposition agent in amount of from about 1 to 10% by substantially non-crosslinked hydrolyzed polymer selected from the group consisting of a copolymer of maleic anhydride monomer and an alpha olefin monomer having from 6 to about 24 carbon atoms and a ter- or higher polymer of maleic anhydride and alpha olefins selected from the group consisting of C2-Cx, wherein x is an integer from 4 to 30+
and said ter- or higher polymer contains at least two different alpha olefins, at least one of said alpha olefins being a C2 to C18 alpha olefin and the ratio of alpha olefins present is such that the average is greater than about 6 and less than about 18 to obtain said clear, stable, single phase built solvated aqueous compositions;

wherein the aqueous solvated detergent composition has a pH -in the range of from about 6 to 9.

22. The method of claim 21 wherein the composition is clear.

23. A clear, stable, single phase built liquid detergent composition, comprising:
a) at least one nonionic surfactant in an amount of from about 5 to 25% by weight of the composition;

b) a builder in an amount of from about 2 to 25% by weight of the composition;

c) a water soluble polymeric anionic hydro-trope anti-redeposition agent in an amount of about 1 to 10% by weight of the composition, said hydro-trope being selected from the group of hydrolyzed alpha olefin maleic anhydride polyers, copolymers and terpolymers having a carbon content of about C4 to C30+

d) at least one cationic quaternary ammonium fabric softener selected from the group consisting of The reaction product of about 2 moles of an acid having formula R5COOH and about 1 mole of an alkylene diamine having formula H2N-C2H4-NHR6 said reaction product being a mixture of amides, esters and imidazo-lines, wherein R1 is an alkyl or alkenyl straight or branched chain hydrocarbon containing from 8 to 22, preferably from 11 to 19 carbon atoms, R2 is an alkyl group containing from 1 to 3 carbon atoms, R3 can be R1 or R2, R4 is an alkylene group containing from 1 to 2 carbon atoms, R5 is an aliphatic alkyl group containing from 15 is 19 carbon atoms, R6 is a hydroxyalkyl group containing from 1 to 3 carbon atoms, X is a water soluble anion, y is the valence of X and n represents an integer from 1 to 4, and mixtures thereof; and, e) the balance water wherein said composition has a pH in the range of about 6 to 9.

24. The composition of Claim 23, wherein said quaternary ammonium fabric softener is selected from the group consisting of ditallow dimethyl am-monium chloride, methyl(tap)-tallow aminomethyl selected low imadazilonium methylsulfate, methyl bis(tallow amido ethyl)2-hydroxyethyl ammonium methyl sulfate, methyl-bis-2-hydroxyethyl coco ammonium methyl sulfate, and mixtures thereof.

25. The composition of Claim 23,further including from about 2 to 25% by weight of the compo-sition of at least one anionic surfactant selected from the group consisting of alkali metal salts, am-monium and alkylammonium salts of fatty acids having a carbon content of about C10 to C20, water soluble salts, ammonium and alkylammonium salts or organic sulfuric reaction products having an alkyl group containing about C10 to C20 and a sulfonic acid or sulfuric acid ester group, water-soluble salts of esters of alpha sulfonated fatty acids having acarbon content of about C6 C20 in the fatty acid group .
and from about C1 to C10 in the ester group, water soluble salts of 2 acryloxy-alkane-l-sulfonic acids containing from about C2 to C9 in the alkyl group and about C9 to C23 in the alkane moeity, alkyl ether sulfates containing from about C10 to C20 in the alkyl group and from 1 to 30 moles of ethylene oxide, water soluble salts of olefin sulfonates containing from about C12 to C24, beta alkyloxy alkane sulfonates containing from about C1 to C3 in the alkyl group and from about C8 to C20 in the alkane moeity, anionic phosphate surfactants, N-alkyl substituted succinamates, and mixtures thereof.

26. A clear, stable single phase built liquid detergent composition, comprising:
a) at least one nonionic surfactant in an amount of from about 5 to 25% by weight of the composition, said nonionic surfactant selected from the group consisting of nonyl phenol ethoxylated with about 12 to 4 moles of ethylene oxide, C9 to C15 linear primary alcohol ethoxylate, C8 to C20 secondary alcohol ethoxylates, and mixtures thereof;

b) at least one borate builder in an amount of about 2 to 25% by weight of the composition sel-ected from the group consisting of sodium tetra borate, disodium octoborate, tetrahydrate, sodium meta borate, and mixtures thereof;

c) an additional builder system in an amount of about 2 to 10% by weight of the composition, said system selected from the group consisting of salts of nitroloacetic acid, salts of ethylene diamine tetra acetic acid, salts of hexamethylene diamine tetra acetic acid, salts of diethylene triamine penta acetic acid, salts of citric acid, silicates, non-phosphorous inorganic builders, non-phosphorous organic builders and mixtures thereof;

d) a water soluble polymeric anionic hydrotrope anti-redeposition agent in an amount of about 1 to 10% by weight of the composition, said hydrotrope being selected from the group of hydrolyzed alpha olefin maleic anhydride polymers, copolymers and terpolymers having a carbon content of about C4 to C30+;
e) an acid pH adjuster present in an amount of from about 0.1 to 5% by weight of the compo-sition;

f) effective amounts of proteolytic en-zymes;

g) at least one cationic quaternary am-monium fabric softener selected from the group consisting of ditallow dimethyl ammonium chloride, methyl-l-tallow amido ethyl-02-tallow imadazilonium methyl sulfate, methyl bis(tallow amido ethyl)2-hydroxyethyl ammonium methyl sulfate, methyl-bis-2-hydroxyethyl coco ammonium methyl sulfate and mixtures thereof;

h) further including from about 2 to 25%
by weight of the composition of at least one anionic surfactant selected from the group consisting of alkali metal salts, ammonium and alkylammonium salts of fatty acids having a carbon content of about C10 to C20, water soluble salts, ammonium and alkyl-ammonium salts or organic sulfuric reaction products having an alkyl group containing about C10 to C20 and a sulfonic acid or sulphuric acid ester group, water-soluble salts of esters of alpha sulfonated fatty acids having a carbon content of about C6 to C20 in the fatty acid group and from about C1 to C10 in the ester group, water-soluble salts of esteris of alpha sulfonated containing from about C2 to C9 in the alkyl group and about C6 to 20 in the alkane moeity, alkyl ether sulfates containing from about C10 to C20 in the alkyl group and from 1 to 30 moles of ethylen oxide, water soluble salts of olefin sulfonates containing from about C12 to C24, beta alkyloxy alkane sulfonates containing from about C10 to C3 in the alkyl group and from about C8 to C20 in the alkane moeity, anionic phosphate surfactants, N-alkyl substituted succinamates, and mixtures thereof i) the balance water wherein said composition has a pH in the range of about 7 to 8.5.