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:
Oct. 25, 1983
Filed:
Apr. 12, 1982
Applicant:
Inventors:
Chin H Lu, Webster, NY (US);
Christopher J Au Clair, Fairport, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430106 ; 430110 ; 430120 ; 430126 ;
Abstract
This invention is directed to toner and developer compositions, as well as the use of such compositions in electrostatographic imaging systems, the toner composition being comprised of resin particles and pigment particles, and from about 0.1 percent to about 10 percent based on the weight of the toner particles, a para-halo phenyl carboxylic acid charge enhancing additive of the formula: ##STR1## wherein X is a halogen, R is an alkylene group containing from 1 to about 3 carbon atoms, and n is the number zero or 1.