Lightening dyed textile material

Details Lightening dyed textile material Lightening dyed textile material

2005-05-10

2005-05-10

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Color stripping or subduing

C008S110000, C008S111000

Reexamination Certificate

active

06890359

ABSTRACT:
Described is a process for lightening or partially decolorizing vat- or sulfur-dyed textile materials, which comprises treating the material with aminoalkanesulfinic acids in a neutral or weakly acidic medium, and preparations of the aminoalkanesulfinic acids for carrying out this process.

REFERENCES:
patent: 4227881 (1980-10-01), Fono
patent: 5749923 (1998-05-01), Olip et al.
patent: 19708973 (1997-03-01), None
patent: 10-121387 (1998-05-01), None
patent: WO 9725469 (1997-07-01), None
patent: WO9803725 (1998-01-01), None
K. Reinking, et al., Zur Constitution der aldehydschwefligsauren Salze und der hydroschwefligen Säure, Ber. 38, (1905), p. 1079, lines 22-36 (with English Abstract) (1905).

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