The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 1992
Filed:
Sep. 10, 1991
Applicant:
Inventors:
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430110 ; 4301066 ;
Abstract
An electrostatic image-developing toner comprising at least a resin and a colorant, which contains at least one member selected from the group consisting of compounds of the following formulas (I) and (II): ##STR1## wherein each of R.sup.1, R.sup.2, Ar.sup.1 and Ar.sup.2 is a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aralkyl group, and A is (B) (SO.sub.3.sup..crclbar.).sub.2 or MX.sub.6.sup.2.crclbar., wherein B is ##STR2## (wherein each of R.sup.3 and R.sup.4 is a hydrogen atom, an alkyl group, a hydroxyl group or an amino group), M is a titanium atom, a zirconium atom or a silicon atom, and X is a fluorine atom, a chlorine atom or a bromine atom.