Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1994-02-16
1995-01-24
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528272, 528288, 528289, 528290, 528291, 528292, 528298, 528299, 528302, 528307, 528308, 525437, 525442, 525444, 525471, 430109, C08F 2038, C08G 63685
Patent
active
053843770
ABSTRACT:
This invention provides certain blue substituted 1,4-bis(2,6-dialkylanilino) anthraquinones in combination with selected red anthraquinone and anthrapyridone (3H-dibenz[f,ij]isoquinoline-2,7-dione) compounds which provide a toner system useful in imparting a desirable neutral to slightly blue hue to polyesters having a yellow appearance. The thermally stable colored compounds can have polyester reactive groups and are preferably incorporated into the polyester polymer structure during polymerization.
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Hilbert Samuel D.
Parham William W.
Pruett Wayne P.
Rhodes Gerry
Weaver Max A.
Acquah Samuel A.
Eastman Chemical Company
Graves, Jr. Bernard J.
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