Bleaching and dyeing; fluid treatment and chemical modification – Dry dye composition other than mere mixture of two or more...
Reexamination Certificate
2005-09-13
2005-09-13
Einsmann, Margaret (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Dry dye composition other than mere mixture of two or more...
C008S594000, C008S650000, C008S653000, C008S908000
Reexamination Certificate
active
06942706
ABSTRACT:
A process for dyeing certain textile fibers, utilizing vat acid dyeing and specific additional (second) reducing agents such as α-hydroxyalkylsulfinic acids, their salts and 1,2,4-trithiolane, resulting in excellent depth of shade and washfastness, is provided.
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Birkinshaw Stephen M.
Chevli Samit N.
Hunt, Jr. Michael O.
Jones Lee D.
Lewis David M.
Einsmann Margaret
Furr, Jr. Robert B.
Invista North America S.a.r.l.
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