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:
Jun. 01, 1993
Filed:
Sep. 03, 1991
Applicant:
Inventors:
Raj Patel, Oakville, CA;
Hadi K Mahabadi, Etobicoke, CA;
Terry L Bluhm, Oakville, CA;
Sandra J Gardner, North York, CA;
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430137 ;
Abstract
Toner with well-dispersed component subparticles is prepared by a method wherein an attritor is initially used to disperse the subparticles in a core monomer, and attrition is continued during initial polymerization of the monomer. Interfacial polymerization is then performed in a preferred embodiment to form encapsulated toner particles.