SHADING PROCESS
The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of thes...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds.
L'invention concerne un procédé de coloration légère caractérisé en ce qu'il utilise une composition comprenant de la phtalocyanine, à laquelle au moins un colorant est fixé par liaison covalente; des compositions de coloration légère; les nouveaux composés utilisés dans ces compositions; et la production de ces nouveaux composés. |
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