Process for producing copper phthalocyanines

Details Process for producing copper phthalocyanines Process for producing copper phthalocyanines

1977-12-15

1979-02-20

Randolph, John D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 4704

Patent

active

041406958

ABSTRACT:
Copper phthalocyanines are produced by reacting a phthalic anhydride or phthalimide with a copper compound and urea in the presence of a catalyst in a polyalkyl-monochlorobenzene having at least two lower alkyl groups and having the formula ##STR1## wherein R.sub.1 and R.sub.2 respectively represent a lower alkyl group having 1 to 3 carbon atoms; R.sub.3 and R.sub.4 respectively represent hydrogen atom or a lower alkyl group having 1 to 3 carbon atoms.

REFERENCES:
patent: 2657213 (1953-10-01), Dudnikov
Moser et al., Phthalocyanine Compounds, pp. 148-151, Reinhold Pub. Corp., N.Y. (1963).

Affiliated with

Also associated with

Rating

Process for producing copper phthalocyanines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing copper phthalocyanines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing copper phthalocyanines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-257985