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:
Jan. 03, 2023
Filed:
Dec. 17, 2019
Applicant:
Riso Kagaku Corporation, Tokyo, JP;
Inventors:
Naofumi Ezaki, Ibaraki, JP;
Shinichiro Shimura, Ibaraki, JP;
Shinsuke Ozawa, Ibaraki, JP;
Tsukasa Hamada, Ibaraki, JP;
Mitsuko Kitanohara, Ibaraki, JP;
Tetsuya Shiraishi, Ibaraki, JP;
Assignee:
RISO KAGAKU CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/36 (2014.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); C09D 11/102 (2014.01); C09D 11/107 (2014.01); C09D 11/322 (2014.01); C09D 11/38 (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 11/107 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01);
Abstract
An oil-based inkjet ink is disclosed that contains a pigment, a dispersant formed with an acidic resin, a low-molecular weight amine compound and a basic polymer, and a non-aqueous solvent. A method for producing an oil-based inkjet ink and a method for producing a dispersant is also disclosed.