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. 29, 2008
Filed:
Mar. 23, 2005
Applicant:
Hideaki Asami, Aichi, JP;
Inventor:
Hideaki Asami, Aichi, JP;
Assignee:
The Pilot Ink Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C 17/00 (2006.01); B43K 7/10 (2006.01); C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A water-based ink composition for ballpoint pen which has a colorant, water, a water soluble organic solvent and, as a shear-thinning tackifier, a polysaccharide, wherein the polysaccharide exists in the ink as particles having an average particle size less than 5 μm, and a water-based ballpoint pen using the composition.