C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/28 (2006.01) C09B 49/00 (2006.01) C11D 3/02 (2006.01) C11D 3/16 (2006.01) C11D 3/40 (2006.01) C11D 7/10 (2006.01) D06L 1/00 (2006.01) D06M 11/00 (2006.01) D06P 1/30 (2006.01) D06P 1/673 (2006.01) D06P 5/02 (2006.01)
Patent
CA 2403649
The present invention relates to sulfur dye protection systems and compositions and methods employing same, as well as processes for making sulfur dyes, especially bleach stable sulfur dyes, processes for dying textiles with sulfur dyes and textiles dyed by such processes. More particularly, the present invention relates to modifying existing dyes and/or making newly formed sulfur dyes. Even more particularly, the present invention relates to materials that can chemically or physically interact with sulfur dyes to protect the sulfur dyes from oxidation by oxidizing agents, such as bleaching agents.
L'invention concerne des systèmes de protection de colorants soufrés, ainsi que des compositions et procédés mettant en oeuvre ces systèmes, de même que des procédés de fabrication de colorants soufrés, notamment des colorants soufrés résistant à la décoloration, des procédés de teinture de textiles à l'aide de colorants soufrés et des textiles teints à l'aide de ces procédés. L'invention concerne notamment la modification de colorants existants et/ou la préparation de nouveaux colorants soufrés, et tout particulièrement des substances qui peuvent interagir de manière chimique ou physique avec les colorants soufrés, de manière à protéger ces colorants soufrés de l'oxydation par des agents oxydants, tels que des agents de blanchiment.
Smart & Biggar
The Board Of Regents Of The University Of Nebraska
The Procter & Gamble Company
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