Laundry and cleaning products with alpha-amylase variants with improved alkaline activity

Agent, characterized in that it contains an α-amylase variant according to any one of the following features: a) α-amylase variant with at least two amino acid substitutions compared to the starting molecule, in position 13 amyloliquefaciens (according to the numbering of the α-amylase from B. SEQ ID NO. 4) a proline (P), and a serine residue (at position 414 S ) is present; b) α-amylase variant according to feature a), wherein additionally at least one amino acid substitution in one of the positions 194, 197 or 356 according to the numbering of the α-amylase from B. amyloliquefaciens (SEQ ID NO. 4) is present, preferably in two, more preferably in all three of these positions; is present c) α-amylase variant according to feature b), wherein, in position 194 an arginine (R) and / or a proline (P in position 197) and / or at position 356 an aspartic acid (D); d) α-amylase variant according to feature c), wherein there is a variant with the replacement 13P / 194R / 197P / 356D / 414S; e) α-amylase variant according to feature a), wherein additionally at least one amino acid substitution in one of the positions ...