Global patent index - EP 0974871 A1

EP 0974871 A1 2000-01-26 - Toner and developer including the same

Title (en)

Toner and developer including the same

Title (de)

Toner und diesen Toner enthaltenden Entwickler

Title (fr)

Révélateur et agent de développement le comprenant

Publication

EP 0974871 A1 (EN)

Application

EP 99114088 A

Priority

JP 20562398 A

Abstract (en)

A toner having high productivity, heat resistance and improved fixability at a low temperature is provided by containing coloring particles having, as a binder resin, a crosslinking-type polyester resin made from an aliphatic alcohol and a carboxylic acid and a non-crosslinking-type polyester resin made from an aromatic alcohol and a carboxylic acid. A developer using the toner is also provided by mixing the toner with a carrier.

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

G03G 9/087

IPC 8 full level (invention and additional information)

G03G 9/08 (2006.01); G03G 9/087 (2006.01)

CPC (invention and additional information)

G03G 9/08793 (2013.01); G03G 9/08755 (2013.01)

Citation (search report)

  • [A] EP 0590314 A1
  • [X] PATENT ABSTRACTS OF JAPAN vol. 95, no. 8, 29 September 1995 (1995-09-29) & JP 07 134446 A (SANYO CHEM), 23 May 1995 (1995-05-23)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 97, no. 2, 28 February 1997 (1997-02-28) & JP 08 272138 A (MITSUBISHI CHEM), 18 October 1996 (1996-10-18)

Designated contracting state (EPC)

CH DE GB LI

EPO simple patent family

EP 0974871 A1 20000126; JP 2000039738 A 20000208

INPADOC legal status

2001-09-12 [18W] WITHDRAWN

- Date of withdrawal: 20010706

2000-10-11 [AKX] PAYMENT OF DESIGNATION FEES

- Free Format Text: CH DE GB LI

2000-07-26 [RAP1] TRANSFER OF RIGHTS OF AN EP APPLICATION

- Owner name: KYOCERA MITA CORPORATION

2000-04-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000224

2000-01-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): CH DE GB LI

2000-01-26 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free Format Text: AL;LT;LV;MK;RO;SI