Invention Grant
US08685116B2 Shading process 失效
着色过程

Shading process
Abstract:
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.
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