Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1997-09-03
1999-12-14
Powers, Fiona T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534683, 534686, 534733, 534766, 534591, 534595, C09B 4326, C09B 43136
Patent
active
060019808
ABSTRACT:
This invention provides a free-flowing polyester dye powder which has superior stability and transparency for application in electro-photographic imaging systems. In another embodiment this invention provides novel chromophoric diester monomers which are reacted with diol monomers to form an invention polyester dye. A present invention toner composition comprises particulate polyester dye, and one or more optional components such as a charge control agent or a surfactant.
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Rao et al., J. Soc. Dyers and Colourists, 1988, 104(7-8), 288-294.
Rao et al., J. Soc. Dyers and Colourists, 1990, 106(2), 54-59.
Borzo Marie
Chiang Kophu
Choe Eui-Won
Mikkilineni Rao D.
Yoon Hyun-Nam
Hoechst Celanese Corporation
Powers Fiona T.
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