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:
Feb. 15, 2000
Filed:
Feb. 18, 1998
Applicant:
Inventors:
Assignee:
Toshiba America Business Solutions, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430110 ; 430108 ;
Abstract
A substantially chromium-free toner composition which comprises, as a negative charge control agent, one or more complexes of Formula 1: ##STR1## including other acceptable forms of such complex, in which: X+ is H+, Na+ or mixtures thereof; M is Fe or Co; R.sup.1 is sulphonyl or sulphamoyl, substituted by one or more C.sub.1-4 alkyl; and R.sup.2 is carboxy or phenylcarbamoyl, optionally substituted by one or more C.sub.1-4 alkyl; but when R.sub.1 is methylsulphonyl, R.sup.2 is not carboxy.
Quick Actions:
Rice, Steven. (2000). Toner compositions and use (U.S. Patent No. 6025105). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6025105
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile