Patent ID: 9708757
Date: 2017-07-18
CPC Classifications: A61K,A61P,B01J,D06M

Claim:
1. A process of treatment of fibers and/or textile materials which comprises the following steps: a) dissolution of two hydrophilic colloids in a solvent in which they are soluble and addition of at least one active ingredient to form a suspension of the active ingredient in this solution, b) adjusting the pH and/or diluting the previous suspension to cause coacervation of the colloids and their deposition on the active ingredient which is encapsulated, c) after b), increasing the pH of the suspension before adding a crosslinking agent to harden the microcapsules formed, d) cationizing the microcapsules with a cationic polymer or monomer, e) linking or binding of the microcapsules to the fibers and/or textile materials, and f) drying of the fibers and/or textile materials.