Pyrazolonyl substituted disazo pigments

Details Pyrazolonyl substituted disazo pigments Pyrazolonyl substituted disazo pigments

1977-09-30

1981-10-20

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260144, 260156, 260157, 260176, 106288Q, C09B 3312, C09B 3313, C09B 33153, D06P 104

Patent

active

042960282

ABSTRACT:
Pigments of the formula ##STR1## wherein X.sub.1 and X.sub.2 may be the same or different from one another and each is hydrogen, chlorine, fluorine, bromine, lower alkyl having 1 to 3 carbon atoms or alkoxy having 1 to 3 carbon atoms; and wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of pyrazolonyl and substituted pyrazolonyl are obtained by coupling a pyrazolone with a 4,4'-diaminobenzanilide. The pigments are useful in rotogravure inks.

REFERENCES:
patent: 1560949 (1925-11-01), Stusser
patent: 1878471 (1932-09-01), Dobmaier
patent: 2155001 (1939-04-01), Schmid
patent: 2172712 (1939-09-01), Roos
patent: 2200414 (1940-05-01), Cliffe
patent: 2216229 (1940-10-01), Cliffe
patent: 2236618 (1941-04-01), Cliffe
patent: 2283667 (1942-05-01), Cliffe
patent: 2571990 (1951-10-01), Stratton
patent: 2741657 (1956-04-01), Schmid et al.
patent: 2936305 (1960-05-01), Forter et al.

Affiliated with

Also associated with

Rating

Pyrazolonyl substituted disazo pigments does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1490501