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:
Jan. 15, 2008
Filed:
Oct. 31, 2004
Charles W. Simpson, Lakeland, MN (US);
Ronald J. Moudry, Woodbury, MN (US);
Leonard Stulc, Shaffer, MN (US);
Zbigniew Tokarski, Woodbury, MN (US);
Gay L. Herman, Cottage Grove, MN (US);
A. Kristine Fordahl, St. Paul, MN (US);
James A. Baker, Hudson, WI (US);
Charles W. Simpson, Lakeland, MN (US);
Ronald J. Moudry, Woodbury, MN (US);
Leonard Stulc, Shaffer, MN (US);
Zbigniew Tokarski, Woodbury, MN (US);
Gay L. Herman, Cottage Grove, MN (US);
A. Kristine Fordahl, St. Paul, MN (US);
James A. Baker, Hudson, WI (US);
Samsung Electronics Company, Suwon, KR;
Abstract
Dry electrographic toner compositions are provided comprising a plurality of dry toner particles, wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions. The dry electrographic toner composition comprises a wax associated with the dry toner particles that has been entrained in the toner particle during the formation of the amphipathic copolymer. Methods of making the electrographic toner compositions are also provided. These toner compositions provide images having excellent durability and erasure resistance properties at low fusion temperatures and with little undesired offset.