Global Patent Index - EP 0952495 A4

EP 0952495 A4 2000-05-10 - POLYMER-BASE TONER AND PROCESS FOR THE PRODUCTION THEREOF

Title (en)

POLYMER-BASE TONER AND PROCESS FOR THE PRODUCTION THEREOF

Title (de)

POLYMERE ENTHALTENDER TONER UND VERFAHREN ZU DESSEN HERSTELLUNG

Title (fr)

TONER A BASE DE POLYMERE ET PROCEDE DE PRODUCTION DE CE DERNIER

Publication

EP 0952495 A4 (EN)

Application

EP 97909708 A

Priority

  • JP 9703972 W
  • JP 31009196 A

Abstract (en)

[origin: EP0952495A1] A polymerized toner of core-shell structure, comprising core particles composed of colored polymer particles, which comprise a polyfunctional ester compound formed of a trifunctional or still higher polyfunctional polyhydric alcohol and a carboxylic acid, and a colorant, and shell which is formed of a polymer having a glass transition temperature higher than that of a polymer component making up the core particles and covers each of the core particles, a production process thereof, an image forming process comprising using the polymerized toner, and an image forming apparatus containing the polymerized toner. <IMAGE>

IPC 1-7 (main, further and additional classification)

G03G 9/093

IPC 8 full level (invention and additional information)

G03G 9/093 (2006.01); G03G 9/097 (2006.01)

CPC (invention and additional information)

G03G 9/08782 (2013.01); G03G 9/09314 (2013.01); G03G 9/09371 (2013.01); G03G 9/09733 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family

EP 0952495 A1 19991027; EP 0952495 A4 20000510; EP 0952495 B1 20090114; DE 69739222 D1 20090305; EP 2042932 A1 20090401; JP 3670667 B2 20050713; KR 100533491 B1 20051206; KR 20000053037 A 20000825; WO 9820396 A1 19980514