Toner containing a dimer of diarylguanidine type compound for de

Details Toner containing a dimer of diarylguanidine type compound for de Toner containing a dimer of diarylguanidine type compound for de

1990-03-13

1992-01-28

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

4301066, G03G 908

Patent

active

050843699

ABSTRACT:
A toner for developing an electrostatic image comprises a binder resin and a dimer of a diarylguanidine type compound. The dimer is represented by the general formula (I) below: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.1 a, R.sup.2 a, R.sup.3 a, R.sup.4 a, R.sup.5 a and R.sup.6 a are respectively a hydrogen atom, an alkyl group, an amino group, an alkoxy group, or an aryl group which may have a substituent, and may be the same with or diffrent from each other; adjacent groups may be linked together to form a ring; and A is a linking group.

REFERENCES:
patent: 2297691 (1942-10-01), Carlson
patent: 3607261 (1971-09-01), Amidon
patent: 3666363 (1972-05-01), Tanaka et al.
patent: 4663263 (1987-05-01), Ikeda et al.
Patent Abstracts of Japan, vol. 9, No. 62 (P-342) [1785], Mar. 19, 1985, (JP-A-59 195 661 (Canon K.K.) Nov. 6, 1984).
Patent Abstracts of Japan, vol. 12, No. 203 (P-715) [3050], Jun. 11, 1988 (JP-A-635357 (Canon Inc.) Jan. 11, 1988).
Patent Abstracts of Japan, vol. 13, No. 9 (P-811) [3357], Jan. 11, 1989 (JP-A-63 216062 (Nippon Kayaku Co., Ltd.) Sep. 8, 1988).

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