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. 31, 2005
Filed:
Mar. 20, 2003
Applicants:
Daryl Vanbesien, Woodbridge, CA;
Raj D. Patel, Oakville, CA;
Michael A. Hopper, Toronto, CA;
Stephan V. Drappel, Toronto, CA;
Inventors:
Daryl Vanbesien, Woodbridge, CA;
Raj D. Patel, Oakville, CA;
Michael A. Hopper, Toronto, CA;
Stephan V. Drappel, Toronto, CA;
Assignee:
Xerox Corporation, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
G03G009/08 ; C03J003/215 ;
U.S. Cl.
CPC ...
Abstract
A process for the preparation of toner by, for example, mixing a latex with a colorant mixture comprised of colorant, an ionic surfactant, and a polytetrafluoroethylene; adding a coagulant; heating the resulting mixture below about the glass transition temperature (Tg) of the latex resin; adding a stabilizer; heating above about the Tg of the latex resin; and isolating the toner.