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:
May. 09, 2006
Filed:
Dec. 23, 2003
Judith M. Vandewinckel, Livonia, NY (US);
Vincenzo G. Marcello, Webster, NY (US);
Grazyna E. Kmiecik-lawrynowicz, Fairport, NY (US);
Tie Hwee NG, Mississauga, CA;
Chieh-min Cheng, Rochester, NY (US);
Judith M. Vandewinckel, Livonia, NY (US);
Vincenzo G. Marcello, Webster, NY (US);
Grazyna E. Kmiecik-Lawrynowicz, Fairport, NY (US);
Tie Hwee Ng, Mississauga, CA;
Chieh-Min Cheng, Rochester, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
A toner of the invention includes toner particles comprising a styrene acrylate binder and at least one colorant, and wherein the toner particles, in the absence of external additives, have a mean circularity of from about 0.94 to about 0.98 and a particle size distribution with a lower number ratio geometric standard deviation (GSD) of approximately 1.28 to approximately 1.31 and an upper volume GSD of approximately 1.24 to approximately 1.27. Also included is a set of toners for forming a color image, comprising a cyan toner, a magenta toner, a yellow toner and a black toner, wherein each of the cyan toner, the magenta toner, the yellow toner and the black toner, wherein each of about 70 to about 95% by weight, dry basis, of a styrene acrylate binder, about 5 to about 15% by weight, dry basis, of a wax dispersion, and at least one colorant.