(19)
(11) EP 4 485 081 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
29.01.2025 Bulletin 2025/05

(43) Date of publication A2:
01.01.2025 Bulletin 2025/01

(21) Application number: 24175613.9

(22) Date of filing: 14.05.2024
(51) International Patent Classification (IPC): 
G03G 9/087(2006.01)
G03G 15/16(2006.01)
G03G 15/00(2006.01)
 G03G 9/097(2006.01)
G03G 13/01(2006.01)
(52) Cooperative Patent Classification (CPC):
G03G 9/08782; G03G 9/08755; G03G 9/09708; G03G 9/09733; G03G 2215/2035; G03G 2215/2038; G03G 13/0135; G03G 15/6585
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 06.06.2023 JP 2023093223

(71) Applicant: Konica Minolta, Inc.
Tokyo 100-7015 (JP)

(72) Inventors:
  • Shibata, Koji
    Tokyo, 100-7015 (JP)
  • Ito, Natsuki
    Tokyo, 100-7015 (JP)
  • Nomiya, Makoto
    Tokyo, 100-7015 (JP)
  • Nagasawa, Hiroshi
    Tokyo, 100-7015 (JP)
  • Oura, Kazumi
    Tokyo, 100-7015 (JP)
  • Matsubara, Masaharu
    Tokyo, 100-7015 (JP)

(74) Representative: Gille Hrabal Partnerschaftsgesellschaft mbB Patentanwälte 
Brucknerstraße 20
40593 Düsseldorf
40593 Düsseldorf (DE)

   


(54) ELECTROSTATIC LATENT IMAGE DEVELOPING TONER, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS


(57) Provided is an electrostatic latent image developing toner capable of enhancing the application property and adhesion of a varnish even when a general-purpose varnish and a release agent. The electrostatic latent image developing toner of the present invention contain a binder resin, a release agent, and a saturated hydrocarbon compound having 16 or more and 35 or less carbon atoms in the base particles. The content of the saturated hydrocarbon compounds is 1 ppm or more and 1000 ppm or less based on the total mass of the electrostatic latent image developing toner.







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