Back to results
US 12,276,064 B2Granted
Method of decolorizing fabrics
AssigneeSoko Chimica Srl
InventorMatteo Alfonso Urbini
Life of this patent
Estimating the term…
Abstract
A method for localized or diffused decolorization of colored fabrics and garments by applying an accelerating substance comprising quaternary ammonium salts and subsequently treating with ozone.
Claims20
A method for decolorizing a textile product comprising:
- (a) pre-treatment, by applying an accelerating substance comprising quaternary ammonium salts to at least a portion of said textile product;
- and thereafter
- (c) ozonation, by introducing and maintaining said textile product in an ozonating fluid in dry conditions.
Dependencies are inferred from the claim text.