Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manu

Details Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manu Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manu

1978-07-28

1980-10-28

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D47106

Patent

active

042308585

ABSTRACT:
A new pigmentary form of perylene-3,4,9,10-tetracarboxylic acid diimide of the formula ##STR1## which has a specific surface area (measured by the BET method) of from 5 to 20 m.sup.2 /g and a maximum in the particle size distribution at from 0.2 to 1.mu. in length and from 0.1 to 0.4.mu. in width, the mean ratio of length to width being from 4:1 to 1:1, and the proportion of particles between these size limits being at least 50% of the total distribution. The pure shade of the new pigmentary from gives strongly yellowish red colorations which are very pure and very bright. The new pigment also has a good hiding power, which is from 2 to 3 times as great as that of the pigments of the prior art.

REFERENCES:
patent: 2905685 (1959-09-01), Eckert et al.
patent: 2905686 (1959-09-01), Eckert et al.
patent: 3022299 (1962-02-01), Schmidt et al.
patent: 3772303 (1973-11-01), Spietschka et al.
patent: 3974136 (1976-08-01), Hanger

Affiliated with

Also associated with

Rating

Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manu does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Perylene-3,4,9,10-tetracarboxylic acid diimide pigment, its manu will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-269208