Patent ID: 6797016
Filing Date: 2004-09-28
Classification: C09B

Abstract:
Concentrated dye composition (P) which is a solution of y % by weight of at least one anionic dye (A) in a solution of x % by weight of benzyl alcohol (B) in water, and z % by weight of at least one formulation additive (F),in whichx is a number in the range from 0.5 to 4, y is a number in the range from 5 to 35 andz is a number in the range from 0 to 2, and (F) is(F1) an antimicrobial agent, or/and (F2) at least one acid, at least one base and/or at least one buffer or pH adjustment, and is essentially free from alcohols other than (B) and from solvents or solubilizers other than water and (B).