Aug. 23, 2018  6  US 2018/0235218 Al  pH values, be dissolved in aqueous solution without any  major problems to form a colorless and clear composition.  Examples B, C and E show that the presence of at least one  relatively weak acid is sufficient to bring sodium benzoate  and/or benzoic acid into a stable, aqueous, colorless solu› tion, even in the presence of a relatively strong acid.  TABLE 1  Recipes of concentrates A to E in %  by  weight; A, D: comparative  examples; B, C, E: according to the invention  A  D  (compar- (compar- ison)  B  C  ison)  E  Lactic acid  15.0  15.0  15.0  15.0  15.0  (90%)  Tartaric  acid (100%)  Acetic acid  15.00  15.00  (100%)  Propionic acid  15.00  Sodium benzoate  6.0  6.0  6.0  Benzoic acid  6.0  6.0  Propylene glycol  10.0  10.0  10.0  10.0  10.0  Hexyl carbitol  10.0  10.0  10.0  10.0  10.0  Demineralized  59.0  44.0  44.0  59.0  44.0  water  Insoluble,  Soluble, Soluble, Insoluble, Soluble,  two  color- color- two  color- phases  less,  less,  phases  less,  clear  clear  clear  [0117]  TABLE 2 a  Recipes of inventive concentrates 1 to 6 in  %  by weight, Marlipal  fi  1618/25: linear  alcohol ethoxylate, manufacturer Sasol Germany  Example  2  3  4  5  6  Lactic acid (90%)  15.0  12.0  30.0  1.0  1.4  15.0  Tartaric acid (100%)  1.4  2.0  Acetic acid (100%)  44.0  42.0  44.0  9.5  5.0  Propionic acid  15.0  9.5  5.0  15.0  Sodium benzoate  6.0  6.0  6.0  0.3  0.4  6.0  Propylene glycol  10.0  10.0  10.0  0.4  0.4  10.0  Hexyl carbitol  10.0  10.0  10.0  0.4  0.4  10.0  Demineralized water  20.0  77.1  85.0  44.0  Marlipal  fi  1618/25  0.4  0.4  pH regulators  pH  2.63  3.10  2.50  2.20  2.23  3.57  TABLE 2 b  Recipes of inventive concentrates 7 to 12 in % by weight,  Dehydol  fi  04 DEO: fatty alcohol CS with approx.  4 mol EO manufacturer BASF  Example  7  8  9  10  11  12  Lactic acid (90%)  15.0  15.0  10.0  15  Tartaric acid (100%)  Acetic acid (100%)  15.0  40.0  15  30  40  Propionic acid  15.0  15.0  40.0  15  30  15  Sodium benzoate  6.0  6.0  6.0  6  6  6  Propylene glycol  10.0  10.0  6.0  10  10  10  TABLE 2 b-continued  Recipes of inventive concentrates 7 to 12 in %  by  weight,  Dehydol  fi  04 DEO: fatty alcohol CS with approx.  4 mol EO, manufacturer BASF  Example  7  8  9  10  11  12  Hexyl carbitol  10.0  10.0  6.0  10  10  10  Demineralized water  29.0  32.0  44  14  Dehydol  fi  04 DEO  4.0  4  pH regulators  KOH  (50%)  pH  3.34  2.64  3.52  3.96  3.43  5.06  TABLE 2 c  Recipes of inventive concentrates 13 to 18 in%  by  weight,  Marlipal  fi  1618/25: linear alcohol ethoxylate,  manufacturer Sasol Germany Dehydol  fi  04 DEO:  fatty alcohol CS with approx. 4 mol EO, manufacturer BASF  Example  13  14  15  16  Lactic acid (90%)  15  15  Tartaric acid (100%)  6  Acetic acid (100%)  15  40  15  15  Sodium acetate  Propionic acid  15  15  15  15  Sodium benzoate  13  Propylene glycol  10  10  10  12  Hexyl carbitol  10  10  10  14  Demineralized water  44  6  35  31  Marlipal 1618/25  Dehydol  fi  04 DEO  4  pH regulators  KOH  KOH  (50%)  (50%)  pH  2.12  2.25  2.31  4.41  17  5  15  13  10  10  46  4.61  18  30  30  6  10  10  13.5  0.5  3.43  TABLE 3a  Recipes of noninventive  concentrates Vl to V5 in % by weight,  Dehydol  fi  04 DEO: fatty alcohol CS with  approx. 4 mol EO, manufacturer BASF  Lutensol  fi  ON  110: nonionic surfactant with  branched ClO alcohol manufacturer BASF  Example  Lactic acid (90%)  Tartaric acid (100%)  Acetic acid (100%)  Propionic acid  Sodium benzoate  Propylene glycol  Hexyl carbitol  Demineralized water  Dehydol 04 DEO  Lutensol  ON  110  pH regulators  pH  Vl  15  6  10  10  44  15  3.75  V2  15  6  10  10  59  4.55  V3  9.7  1.0  1.0  87.3  1.0  1.83  V4  48.5  1.0  1.0  48.5  1.0  0.62  V5  97.0  1.0  1.0  1.0  1.90  Recipes 