Detergent concentrate

Claim 2

AN AQUEOUS CONCENTRATE COMPRISING 50-70% BY WEIGHT OF A SULPHATED ALKOXYLATED ALCOHOL SALT, SAID SALT BEING A WATER SOLUBLE SULPHATE OF AN ALCOHOL HAVING 8-24 CARBON ATOMS WHICH HAS BEEN CONDENSED WITH A TOTAL OF FROM 1 TO 4 ETHYLENE OXIDE OR PROPYLENE OXIDE GROUPS, AND FROM 1 TO 10% BY WEIGHT BASED ON THE TOTAL WEIGHT OF THE CONCENTRATED OF AN AROMATIC SULPHONATE, SAID SULPHONATE BEING AN ALKALI METAL, ALKALINE EARTH METAL, ALKANOLAMINE, AMINE OR AMMONIUM SALT OF AN AROMATIC SULPHONIC ACID OF THE FORMULA:

Claim 3

An aqueous concentrate as claimed in claim 1 which comprises from 2 to 4% by weight of the said aromatic sulphonate.

Claim 4

A concentrate as claimed in claim 1 wherein the sulphated alkoxylated alcohol is a sulphate of an alcohol of from 8 to 18 carbon atoms which has been condensed with a total of from 1 to 4 ethylene oxide or propylene oxide groups.

Claim 5

A concentrate as claimed in claim 1 wherein the sulphated alkoxylated alcohol is in the form of its sodium salt.

Claim 6

A concentrate as claimed in claim 4 wherein the sulphated alkoxylated alcohol is lauryl alcohol condensed with 2 moles of ethylene oxide.

Claim 7

A concentrate as claimed in claim 1 wherein the sulphonic acid is benzene meta disulphonic acid.

Claim 8

A concentrate as claimed in claim 1 wherein the sulphonic acid is a xylene disulphonic acid.

Claim 9

A concentrate as claimed in claim 1 wherein the aromatic sulphonic acid is 1,3,5 benzene trisulphonic acid.

Claim 10

A concentrate as claimed in claim 1 wherein the aromatic sulphonic acid is phenol disulphonic acid.

Claim 11

A concentrate as claimed in claim 1 wherein the aromatic sulphonic acid is phenol trisulphonic acid.

Claim 12

A concentrate as claimed in claim 1 wherein the aromatic sulphonic acid is catechol disulphonic acid.

Claim 13

A concentrate as claimed in claim 1 wherein the aromatic sulphonic acid is toluene disulphonic acid.

Claim 14

A concentrate as claimed in claim 2, wherein said sulphated alkoxylated alcohol is lauryl alcohol condensed with two moles of ethylene oxide.

Claim 15

A concentrate as claimed in claim 5, wherein said aromatic sulphonic acid is selected from the group consisting of benzene disulphonic acid, xylene disulphonic acid, phenol disulphonic acid, catechol disulphonic acid, toluene disulphonic acid, phenol trisulphonic acid, 1,3,5-benzene trisulphonic acid and 3,5-disulphobenzoic acid.

Claim 16

A concentrate as claimed in claim 13, wherein said aromatic sulphonic acid is selected from the group consisting of benzene disulphonic acid, xylene disulphonic acid, phenol disulphonic acid, catechol disulphonic acid, toluene disulphonic acid, phenol trisulphonic acid, 1,3,5-benzene trisulphonic acid and 3,5-disulphobenzoic acid.

Claim 17

A concentrate as claimed in claim 1, wherein said sulphonate is the sodium salt of the aromatic sulphonic acid.

Claim 18

A concentrate as claimed in claim 2, wherein said sulphonate is the sodium salt of the aromatic sulphonic acid.

Claim 19

A concentrate as claimed in claim 5, wherein said sulphonate is the sodium salt of the aromatic sulphonic acid.

Claim 20

A concentrate as claimed in claim 14, wherein said sulphonate is the sodium salt of the aromatic sulphonic acid.

Claim 21

A free-flowing aqueous concentrate comprising an admixture of i. between 1 and 10% by weight based on the total weight of the concentrate of an aromatic sulphonate, said sulphonate being an alkali metal, alkaline earth metal, alkanolamine, amine or ammonium salt of an aromatic sulphonic acid of the formula: RuYaAr(SO3H)bXc wherein R is an alkyl group of from 1 to 4 carbon atoms Y is a carboxylic group Ar is a benzene nucleus X is a hydroxyl group or an alkoxy group of from 1 to 4 carbon atoms a is 0 to 3 b is 2 to 3 c is 0 to 3 u is 0 to 4; and ii. an aqueous concentrate comprising between 50 and 70% by weight of a sulphated alkoxylated alcohol salt, said salt being a water soluble sulphate of an alcohol having 8-24 carbon atoms which has been condensed with a total of from 1 To 4 ethylene oxide or propylene oxide groups, which aqueous concentrate would be a thick paste or gel in the absence of admixture with component (i).

Claim 22

A free-flowing aqueous concentrate comprising an admixture of i. between 1 and 10% by weight based on the total weight of the concentrate of an aromatic sulphonate, said sulphonate being an alkali metal, alkaline earth metal, alkanolamine, amine or ammonium salt of an aromatic sulphonic acid of the formula: RuYaAr(SO3H)bXc wherein R is an alkyl group of from 1 to 4 carbon atoms Y is a carboxylic group Ar is a benzene nucleus X is a hydroxyl group or an alkoxy group of from 1 to 4 carbon atoms a is 0 to 3 b is 2 to 3 c is 0 to 3 u is 0 to 4; and ii. an aqueous concentrate comprising between 50 and 70% by weight of a sulphated alkoxylated alcohol salt, said salt being a water soluble sulphate of an alcohol having 8-24 carbon atoms which has been condensed with a total of from 1 To 4 ethylene oxide or propylene oxide groups, which aqueous concentrate would be a thick paste or gel in the absence of admixture with component (i).

Claim 23

A concentrate according to claim 20, wherein said component (i) is in an amount of from 2-4% by weight of the said aromatic sulphonate.

Claim 24

A concentrate according to claim 20, wherein said sulphated alkoxylated alcohol salt is the sodium salt.

Claim 25

A concentrate according to claim 22, wherein said sulphated alkoxylated alcohol is lauryl alcohol condensed with two moles of ethylene oxide.

Claim 26

A concentrate according to claim 23, wherein said aromatic sulphonic acid is selected from the group consisting of benzene disulphonic acid, xylene disulphonic acid, phenol disulphonic acid, catechol disulphonic acid, toluene disulphonic acid, phenol trisulphonic acid, 1,3,5-benzene trisulphonic acid and 3,5-disulphobenzoic acid.

Claim 27

A concentrate according to claim 24, wherein said aromatic sulphonate is the sodium salt of said aromatic sulphonic acid.

Claim 28

A concentrate according to claim 21, wherein said aromatic sulphonic acid is selected from the group consisting of benzene disulphonic acid, xylene disulphonic acid, phenol disulphonic acid, catechol disulphonic acid, toluene disulphonic acid, phenol trisulphonic acid, 1,3,5-benzene trisulphonic acid and 3,5-disulphobenzoic acid.

Claim 29

A concentrate according to claim 26, wherein said sulphated alkoxylated alcohol is lauryl alcohol condensed with two moles of ethylene oxide and wherein said aromatic sulphonate and said sulphated alkoxylated alcohol salt are both in the form of the sodium salt.