Process for bleaching textiles and for combating...

C - Chemistry – Metallurgy – 09 – B

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6/14, 134/6, 8/8

C09B 47/04 (2006.01) C11D 3/00 (2006.01) D06L 3/04 (2006.01)

Patent

CA 1166633

Abstract A process is proposed for bleaching textiles or removing stains from textiles and for combating micra- organisms in or on organic or inorganic substrates, or for protecting the latter against attack by micro-organisms, by treating the textiles or the substrates to be freed of or protected from micro-organisms with a water-soluble zinc phthalocyanine or aluminium phthalocyanine, in the presence of water and under irradiation with light, in which process a sulfonated zinc phthalocyanine or aluminium phthalo- cyanine which is further substituted by neutral groups which do not confer solubility in water, for example by halogen atoms or pseudo-halogens, or a mixture of these phthalocyanine compounds, is used as the water-soluble zinc phthalocyanine or aluminium phthalocyanine. Bleaching, washing end soaking agents, or agents having an antimicrobial action, for carrying out the process, are also proposed, which, in addition to the active ingredient, contain, is appropriate, inorganic salts, water and also, in the case of washing agents, customary washing- agent constituents. Novel sulfonated zinc phthalo- cyanine and aluminium phthalocyanine compounds and their preparation are furthermore described

385300

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