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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12253824 B1

PDFFull Text
Date of Patent:
Mar. 18, 2025

Filed:

Sep. 03, 2021

Toner

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kenichi Nakayama, Shizuoka, JP;

Naoya Isono, Shizuoka, JP;

Yoshiaki Shiotari, Shizuoka, JP;

Hirofumi Kyuushima, Tokyo, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

VENABLE LLP

Primary Examiner:

Peter L Vajda

Assistant Examiner:

Boone Alexander Evans

Int. Cl.
CPC ...
G03G 9/097 (2006.01); G03G 9/08 (2006.01); G03G 9/093 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09725 (2013.01); G03G 9/0819 (2013.01); G03G 9/0825 (2013.01); G03G 9/09321 (2013.01); G03G 9/09328 (2013.01); G03G 9/09364 (2013.01); G03G 9/09371 (2013.01);
Abstract

A toner comprising a toner particle and a silica particle on a surface of the toner particle, wherein an area formed by a polyester resin and an area formed by a styrene-acrylic resin are present on the surface of the toner particle; the silica particle has the number-average particle diameter of 15 to 60 nm; the silica particle has the average pore diameter of 5.0 to 20.0 nm; and the silica particle has the total pore volume of 0.20 to 1.50 cm/g.

Find Patent Forward Citations

Nakayama, Kenichi. (2025). Toner (U.S. Patent No. 12253824). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12253824

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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