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:
Aug. 08, 1989
Filed:
Dec. 04, 1987
Applicant:
Inventors:
Trevor I Martin, Burlington, CA;
Marcel P Breton, Mississauga, CA;
Randolph E Branston, Sarnia, CA;
Karen A Moffat, Brantford, CA;
Walter Mychajlowskij, Georgetown, CA;
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430126 ; 430138 ;
Abstract
An encapsulated toner composition with a melting temperature of from about 65.degree. C. to about 140.degree. C. comprised of a core containing a polymer selected from the group consisting of polyethylene succinate, polyhalogenated olefins, poly(alpha-alkylstyrenes), rosin modified maleic resins, aliphatic hydrocarbon resins, poly(.epsilon.-caprolactones), and mixtures thereof; and pigment particles, where the core is encapsulated in a shell prepared by interfacial polymerization reactions.