US 12,276,064 B2
Method of decolorizing fabrics
Matteo Alfonso Urbini, Florence (IT)
Assigned to Soko Chimica S.R.L., Florence (IT)
Filed by Soko Chimica S.R.L., Florence (IT)
Filed on Mar. 24, 2022, as Appl. No. 17/702,907.
Claims priority of application No. 102021000007712 (IT), filed on Mar. 29, 2021.
Prior Publication US 2022/0307190 A1, Sep. 29, 2022
Int. Cl. D06L 4/50 (2017.01); D06L 4/12 (2017.01); D06L 4/13 (2017.01); D06P 1/66 (2006.01); D06P 5/13 (2006.01); D06P 5/15 (2006.01)
CPC D06L 4/50 (2017.01) [D06L 4/12 (2017.01); D06L 4/13 (2017.01); D06P 1/66 (2013.01); D06P 5/132 (2013.01); D06P 5/153 (2013.01)] 20 Claims
 
1. 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.