4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigment

Details 4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigment 4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigment

1994-07-22

1995-10-10

Higel, Floyd D.

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

Organic compounds

Azo

534573, 534781, 534784, 106402, 106496, C09B 6300, C09B 2948, D06P 139, D06P 144

Patent

active

054571880

ABSTRACT:
An azo lake of the formula ##STR1## in which ##STR2## R.sup.1 =--OH or --NR.sup.4 R.sup.5, R.sup.2 = ##STR3## except the lake of the formula ##STR4## Such azo lakes are useful as pigments.

REFERENCES:
patent: 1730179 (1929-10-01), Wagner
patent: 1809030 (1931-06-01), Geller
patent: 1962226 (1934-06-01), Woodward
patent: 2808400 (1957-10-01), Struve et al.
patent: 3770638 (1973-11-01), Chechak
patent: 3802836 (1974-04-01), Speck
patent: 3803122 (1974-04-01), Kilmurry
patent: 4045425 (1977-08-01), Hunter
patent: 4594411 (1986-06-01), Henning

Affiliated with

Also associated with

Rating

4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2311044