Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1993-07-14
1995-04-18
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430115, G03G 9097
Patent
active
054077745
ABSTRACT:
A charge control agent for positive charging whose active ingredient is a salt-forming compound represented by the following formula and a positively chargeable toner for developing electrostatic images comprising at least one kind of the charge control agent, a coloring agent and a resin. ##STR1## wherein X represents an alkyl group, a cycloalkyl group, a substituted or unsubstituted phenyl group, or --COR.sup.5 in which R.sup.5 is a lower alkyl group; Z represents a hydrogen, a hydroxyl group or an alkyl group; R.sup.1 and R.sup.3 independently represent an alkyl group having 1 to 18 carbon atoms or a benzyl group; R.sup.2 represents an alkyl group having 5 to 18 carbon atoms; and R.sup.4 represents an alkyl group having 1 to 4 carbon atoms or a benzyl group.
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Ullmann's Encyclopedia of Industrial Chemistry, vol. A3, pp. 320, 321, Allen, Colour Chemistry, Sec. 17-1, p. 261, Sec. 17-2 pp. 264-266.
Dien, The Chemistry of Synthetic Dyes, pp. 80-89; 108-113; Ullmann's Encyclopedia of Industrial Chemistry, vol. A2, pp. 402-403.
Kihara Tetsuji
Matsushima Chiemi
Sukata Kazuaki
Yamanaka Shun-ichiro
Goodrow John
Orient Chemical Industries Ltd.
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