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:
Dec. 15, 2020
Filed:
Feb. 26, 2018
Applicant:
Riso Kagaku Corporation, Tokyo, JP;
Inventors:
Kazuyuki Ando, Ibaraki, JP;
Shinichiro Shimura, Ibaraki, JP;
Marie Morinaga, Ibaraki, JP;
Hikaru Sugiura, Ibaraki, JP;
Assignee:
RISO KAGAKU CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/36 (2014.01); C09D 11/102 (2014.01); C09D 11/322 (2014.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); C09D 11/324 (2014.01);
U.S. Cl.
CPC ...
C09D 11/36 (2013.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01); C09D 11/102 (2013.01); C09D 11/322 (2013.01); C09D 11/324 (2013.01);
Abstract
An oil-based inkjet ink is disclosed, the oil-based inkjet ink containing a pigment, a pigment dispersant and a non-aqueous solvent, wherein the pigment contains an acidic carbon black having a pH of 2 to 6, the non-aqueous solvent contains a modified silicone oil having a surface tension of not more than 27 mN/m, and an amount of the modified silicone oil, relative to a total mass of the oil-based inkjet ink, is at least 15% by mass but not more than 80% by mass.