Hydroxy mixed ethers and polymers in the form of solid preparations as a starting compound for laundry detergents, dishwashing detergents and cleaning compositions

A solid composition comprising (a) a hydroxy mixed ether of the formula (I)

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• wherein R1 is a linear or branched alkyl group having from 2 to 18 carbon atoms, R2 is hydrogen or a linear or branched alkyl group having from 2 to 18 carbon atoms, R3 is a linear or branched alkyl and/or alkenyl group having from 1 to 22 carbon atoms, each of n1 and n2 independently is a number from 0 to 60 and m is 0 or a number from 0.5 to 5, with the provisos that the total number of carbon atoms in the substituents R1 and R2 is at least 6 and the sum (n1+m+n2) is greater than 0;
• (b) a polymer;
• (c) an auxiliary selected from the group consisting of an anionic cosurfactant, a cobuilder, an oil- and fat-dissolving substance, a bleaching agent, a bleach activator, redeposition inhibitors, enzymes, enzyme stabilizers, optical brighteners, defoamers, disintegrators, perfumes, inorganic salts and (d) a carrier selected from the group consisting of a zeolite, an alkali metal sulfate, an alkali metal phosphate, an alkali metal carbonate, an alkali metal hydrogen carbonate, an alkali metal silicate, an alkali metal citrate, a cellulose, a carboxymethyl cellulose, a cyclodextrin, a starch, a starch degradation product and a polyacrylate.