Polyphthalocyanine compounds useful as dyestuffs

Details Polyphthalocyanine compounds useful as dyestuffs Polyphthalocyanine compounds useful as dyestuffs

1982-10-15

1985-02-12

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8189, 2602422, 2602451, 26024573, 26024576, 26024578, C09B 4730, C09B 4732

Patent

active

044990189

ABSTRACT:
A phthalocyanine product in which at least two phthalocyanine groups which may be metallized or unmetallized are joined by a bridging group, the bridging group being attached to the phthalocyanine groups through --CH.sub.2 --X.sub.o -- linkages where X.sub.o is a basic group and the phthalocyanine groups are attached to the methylene group of the linkages. The phthalocyanine product is useful as a dyestuff.

REFERENCES:
patent: 2513098 (1950-06-01), Kropa et al.
patent: 3320275 (1967-05-01), Dien et al.
patent: 3784599 (1974-01-01), Jefferies et al.
patent: 4394125 (1983-07-01), Holzle et al.

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