MAGNETIC TONER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20160161874A1
SERIAL NO

14900590

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A magnetic toner comprising a toner particle containing a styrene resin as a binder resin and a magnetic substance, and a first inorganic fine particle on surface of the toner particle and an organic-inorganic composite fine particle on the surface of the toner particle, wherein the first inorganic fine particle i) contains at least one inorganic oxide fine particle selected from the group consisting of silica fine particle, titanium oxide fine particle and alumina fine particle, with the proviso that the inorganic oxide fine particle contains silica fine particle in an amount of 85 mass % or more based on the total mass of the inorganic oxide fine particle, and ii) has a number-average particle diameter (D1) of 5 nm or more and 25 nm or less, the coverage ratio A of the toner-particle surface with the first inorganic fine particle is 45.0% or more and 70.0% or less.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 146-8501

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akiyama, Hiroki Toride-shi, JP 33 448
Fujimoto, Masami Suntou-gun, JP 70 1954
Nishikawa, Koji Susono-shi, JP 75 1159
Nomura, Shotaro Suntou-gun, JP 36 934
Yamazaki, Katsuhisa Numazu-shi, JP 64 1479
Yoshiba, Daisuke Suntou-gun, JP 51 976

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation