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.:
Date of Patent:
Feb. 05, 2019
Filed:
Sep. 30, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Hidetaka Kawamura, Yokohama, JP;
Masahiro Terada, Hadano, JP;
Akihiro Taya, Yokohama, JP;
Yohei Masada, Tokyo, JP;
Masanobu Ootsuka, Tokyo, JP;
Takaharu Aotani, Tokyo, JP;
Yutaka Yoshimasa, Yokohama, JP;
Shoji Koike, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an ink containing a pigment, a water-soluble organic solvent, and a surfactant represented by the following general formula (1), and having a viscosity at 25° C. of 5 mPa·s or more. The ink has a static surface tension of 27.1 mN/m or more and 35.0 mN/m or less, which is measured at 25° C. by a Wilhelmy method. The ink also has a dynamic surface tension at a bubble life time of 150 msec of 30.5 mN/m or more and 37.0 mN/m or less, which is measured at 25° C. by a maximum bubble pressure method.