Bis(quaternary phosphonium) tetrahalomanganate salts as charge-c

Details Bis(quaternary phosphonium) tetrahalomanganate salts as charge-c Bis(quaternary phosphonium) tetrahalomanganate salts as charge-c

1994-12-07

1996-04-30

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

G03G 9097

Patent

active

055124070

ABSTRACT:
New electrostatographic toners and developers are provided containing charge-control agents comprising bis(quaternary phosphonium) tetrahalomanganate salts having the structure: ##STR1## wherein R is selected from an unsubstituted alkyl group having from 1 to 24 carbon atoms; a substituted alkyl group having from 1 to 24 carbon atoms substituted with one or more hydroxy-, carboxy, alkoxy-, carboalkoxy-, acyloxy-, nitro-, cyano-, keto- or halo-groups; a cycloalkyl group having from 3 to 7 carbon atoms; an alkaryl group having from 1 to 20 carbon atoms in the alkyl group and 6 to 14 carbon atoms in the aryl group; an aralkyl group having from 1 to 4 carbon atoms in the alkyl group and 6 to 14 carbon atoms in the aryl group wherein the aryl group may be unsubstituted or substituted with one or more alkyl-, hydroxy-, carboxy-, alkoxy-, carboalkoxy-, acyloxy-, amino-, nitro-, cyano-, keto- or halo-groups; phenyl or substituted phenyl;
R.sup.1, R.sup.2 and R.sup.3, which can be the same or different, are independently selected from hydrogen; an alkyl group having from 1 to 24 carbon atoms; hydroxy-; carboxy-; alkoxy-; carboalkoxy-; acyloxy-; amino-; nitro-; cyano-; keto-; or halo-groups; and
X, which can be the same or different, is independently selected from fluorine, chlorine, bromine or iodine.

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patent: 4490455 (1984-12-01), Hoffend et al.
patent: 4496643 (1985-01-01), Wilson et al.
patent: 4537848 (1985-08-01), Yourd, III et al.
patent: 4684596 (1987-08-01), Bonser et al.

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