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:
Jun. 20, 2017
Filed:
Apr. 14, 2014
Applicant:
Sakura Color Products Corporation, Osaka-shi, Osaka, JP;
Inventors:
Assignee:
SAKURA COLOR PRODUCTS CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/17 (2014.01); B43K 8/02 (2006.01); B43K 8/03 (2006.01);
U.S. Cl.
CPC ...
C09D 11/17 (2013.01); B43K 8/02 (2013.01); B43K 8/022 (2013.01); B43K 8/03 (2013.01);
Abstract
An oil-based pigment ink composition contains titanium dioxide pigment, mica pigment, dispersant, oil-soluble resin, and organic solvent, whose viscosity at a shear velocity of 76 (l/s) is 50 mPa-s or lower. The ink composition produces writing with sufficient covering property and legibility, does not form hard cakes, and can release ink in a stable manner from the tip of a writing tool.