Oxyquinophthalone coloring material

Details Oxyquinophthalone coloring material Oxyquinophthalone coloring material

1973-08-23

1976-08-03

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 1D, 260287H, 260289R, C09B 2500

Patent

active

039728854

ABSTRACT:
An oxyquinophthalone coloring material having the general formula ##SPC1##
Wherein X represents chlorine or bromine atom and Y.sub.1, Y.sub.2 and Y.sub.3 represent respectively hydrogen, chlorine, bromine, methyl, ethyl, methoxy or ethoxy group, at least one of Y.sub.1, Y.sub.2 and Y.sub.3 being chlorine or bromine and one of Y.sub.1, Y.sub.2 and Y.sub.3 being methyl, ethyl, methoxy and ethoxy group.

REFERENCES:
patent: 3293246 (1966-12-01), Fuchs et al.
patent: 3655672 (1972-04-01), Spietchka et al.
patent: 3793330 (1974-02-01), Kalz et al.

Affiliated with

Also associated with

Rating

Oxyquinophthalone coloring material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Oxyquinophthalone coloring material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oxyquinophthalone coloring material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1928762