Gas separation: apparatus – Magnetic separating means
Patent
1974-05-03
1977-04-19
Klein, David
Gas separation: apparatus
Magnetic separating means
96 16, G03G 509
Patent
active
040186067
ABSTRACT:
A class of organic pigments having the formula ##STR1## wherein X consists of the atoms necessary to complete a naphthalene, anthracene, or ##STR2## ring; R.sup.1, R.sup.2, and R.sup.3 are hydrogen, halogen, alkoxy, NO.sub.2, alkyl, SO.sub.3 H or alkali metal salts thereof, ##STR3## and COOH or alkali metal salts thereof, and R.sup.2 and R.sup.3 can comprise the atoms necessary to complete a phenyl, naphthyl or anthryl ring; and R is selected from the group consisting of ##STR4## where M is alkyl, alkali or alkaline earth metal are useful as sensitizers for photoconductive compositions in electrophotographic processes.
REFERENCES:
patent: 3384632 (1968-05-01), Solodar
patent: 3622341 (1969-08-01), Lee
patent: 3684548 (1972-08-01), Contois
patent: 3775105 (1973-11-01), Kukla
Contois Lawrence E.
Kaukeinen Joseph Y.
Michel Stephen
Plutchak Thomas M.
Eastman Kodak Company
Goodrow John L.
Klein David
Rosenstein Arthur H.
LandOfFree
Organic azo pigment sensitizers for photoconductive layers does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Organic azo pigment sensitizers for photoconductive layers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organic azo pigment sensitizers for photoconductive layers will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-100985