Finely divided transparent metal-free X-phthalocyanine

Details Finely divided transparent metal-free X-phthalocyanine Finely divided transparent metal-free X-phthalocyanine

1987-11-20

1989-03-21

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C09B 4730

Patent

active

048144410

ABSTRACT:
Finely divided, transparent, metal-free X-phthalocyanine has a specific surface area of from 75 to 120 m.sup.2 g and not less than 80% by weight of the phthalocyanine particles have a Stokes-equivalent diameter of .ltoreq.0.12 .mu.m.
The phthalocyanine is very useful as a pigment for printing inks and finishes.

REFERENCES:
patent: 3357989 (1967-12-01), Byrne et al.
patent: 3594163 (1971-07-01), Radler
patent: 3657272 (1972-04-01), Brach et al.
patent: 3862127 (1975-01-01), Miller et al.
patent: 3932180 (1976-01-01), Griffiths et al.
patent: 4098795 (1978-07-01), Griffiths et al.
Pigment Handbook, vol. 3, pp. 157-167 (1973).
Farbe and Lack, vol. 83 (1977), pp. 886-890.
Farbe und Lack, vol. 76 (1970), pp. 545-550.

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