C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 11/00 (2006.01) B01D 1/18 (2006.01) C11D 11/02 (2006.01) C11D 11/04 (2006.01) C11D 17/06 (2006.01) F26B 3/12 (2006.01) F26B 21/04 (2006.01)
Patent
CA 2130002
A b s t r a c t The invention relates to anionic surfactant concen- trates in the form of solid free-flowing powders and/or granules which may also be present as compounds in admix- ture with other auxiliaries and/or useful materials suit- able for use in detergents, and/or cleaning products and which have been produced by the drying of corresponding water-based preparations to form the powders and/or gran- ules. The teaching according to the invention is charac- terized in that the concentrates are in the form of a dust- free material, contain the anionic surfactant compounds at least partly in the form of their washing- and/or cleaning- active salts, have apparent densities of at least about 150 g/l and have been produced by hot drying of the water- containing preparations with superheated steam as the drying gas. Preferred apparent densities are above about 200 g/l and are preferably at least about 350 g/l. In addition, the pourable and free-flowing material is prefer- ably in the form of a substantially dust-free material through the presence of dust-binding auxiliaries and/or useful materials and/or by regulation of the residual water content. In one preferred embodiment, the anionic surfac- tant concentrate is in the form of porous carrier beads with an absorbent porous inner structure.
Fues Johann
Gruber Bert
Paatz Kathleen
Pattberg Herbert
Poly Wolfgang
Henkel Kommanditgesellschaft Auf Aktien
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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