Global Patent Index - EP 0930544 A4

EP 0930544 A4 2000-08-16 - TONER COMPOSITION

Title (en)

TONER COMPOSITION

Title (de)

TONER ZUSAMMENSETZUNG

Title (fr)

COMPOSITION DE TONER

Publication

EP 0930544 A4 (EN)

Application

EP 98935357 A

Priority

  • JP 9803474 W
  • JP 21057297 A
  • JP 21057497 A
  • JP 31829097 A

Abstract (en)

[origin: WO9908159A1] A toner composition which comprises a color former and at least one polymer selected from the group consisting of A and B, is excellent in melt flowability, fixability, anti-offset properties, and blocking resistance, and can be positively electrified, wherein A is a noncross-linked polyesterimide comprising specific ester units E and imide units I, and B is a cross-linked polyesterimide comprising the units E and I and cross-linking units C.

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

G03G 9/087

IPC 8 full level (invention and additional information)

G03G 9/087 (2006.01)

CPC (invention and additional information)

G03G 9/08766 (2013.01); G03G 9/08755 (2013.01); G03G 9/08768 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 9908159 A1 19990218; AU 8463798 A 19990301; CA 2267551 A1 19990218; EP 0930544 A1 19990721; EP 0930544 A4 20000816; JP 3862763 B2 20061227; KR 20000068695 A 20001125

INPADOC legal status


2000-11-15 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20000918

2000-08-16 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20000705

2000-08-16 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB

1999-07-21 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19990420

1999-07-21 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB