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.
申请公布号
EP1792001(A1)
申请公布日期
2007.06.06
申请号
EP20050784678
申请日期
2005.08.22
申请人
CIBA SPECIALTY CHEMICALS HOLDING INC. PATENT DEPARTEMENT
