Valuable substances and mixtures of valuable substances for wetting agents, detergents and/or cleaners in a new form of preparation

摘要

PCT No. PCT/EP93/02703 Sec. 371 Date Apr. 12, 1995 Sec. 102(e) Date Apr. 12, 1995 PCT Filed Oct. 4, 1993 PCT Pub. No. WO94/09109 PCT Pub. Date Apr. 28, 1994A process for producing free-flowing granules comprising the steps of (a) drying with superheated steam an aqueous mixture containing at least one surfactant selected from the group consisting of anionic surfactants and nonionic surfactants to form carrier granules having a porous inner structure, and (b) impregnating the porous inner structure of the carrier granules with an aqueous coating composition selected from the group consisting of wetting agents, detergents, cleaning agents, and mixtures thereof, to form an impregnated carrier granule.