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:
Jul. 21, 2020
Filed:
Feb. 26, 2018
Applicant:
Riso Kagaku Corporation, Tokyo, JP;
Inventors:
Hikaru Sugiura, Ibaraki, JP;
Shinichiro Shimura, Ibaraki, JP;
Marie Morinaga, Ibaraki, JP;
Kazuyuki Ando, Ibaraki, JP;
Assignee:
RISO KAGAKU CORPORATION, Tokyo, JP;
Attorney:
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 11/322 (2014.01); C09D 11/324 (2014.01); C09D 11/326 (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 is disclosed, the oil-based inkjet ink containing a pigment, a pigment dispersant and a non-aqueous solvent, wherein the non-aqueous solvent contains a silicone oil having a surface tension of at least 19.0 mN/m but less than 24.0 mN/m and a polar solvent having a surface tension of at least 27.0 mN/m, and a surface tension of the ink is at least 23.0 mN/m but less than 27.0 mN/m.