Preparation of .alpha.- .beta.- and .gamma.-copper phthalocyanin

Details Preparation of .alpha.- .beta.- and .gamma.-copper phthalocyanin Preparation of .alpha.- .beta.- and .gamma.-copper phthalocyanin

1978-01-25

1979-05-01

McCarthy, Helen

Compositions: coating or plastic

Materials or ingredients

2603145, C08H 1704, C09B 4704

Patent

active

041521714

ABSTRACT:
A process for the production of alpha-, beta-, and gamma-copper phthalocyanine pigments by reacting an aromatic or aromatic heterocyclic ortho-dinitrile compound and copper or a copper compound capable of providing the centrol metal atom of a phthalocyanine pigment at a temperature below 100.degree. C. in the presence of a alkaline substance in a hydrophilic aliphatic organic solvent containing one or more hydroxy groups and adding as catalyst or crystal form controller or both from the beginning of the reaction:

REFERENCES:
patent: 3615805 (1971-10-01), Ehrich et al.
patent: 3763182 (1973-10-01), Horiguchi et al.
patent: 3897450 (1975-07-01), Horiguchi et al.
patent: 4039346 (1977-08-01), Kranz
Chem. Abstracts, 83, item 12209b, (1975).
Chem. Abstracts, 73, item 46672f, (1970).

Affiliated with

Also associated with

Rating

Preparation of .alpha.- .beta.- and .gamma.-copper phthalocyanin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of .alpha.- .beta.- and .gamma.-copper phthalocyanin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of .alpha.- .beta.- and .gamma.-copper phthalocyanin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-629428