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:
Mar. 12, 2024
Filed:
Oct. 02, 2019
Applicant:
Mitsubishi Pencil Company, Limited, Tokyo, JP;
Inventor:
Hisato Haga, Tokyo, JP;
Assignee:
MITSUBISHI PENCIL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/16 (2014.01); C08L 57/12 (2006.01);
U.S. Cl.
CPC ...
C09D 11/16 (2013.01); C08L 57/12 (2013.01); C08L 2201/54 (2013.01);
Abstract
Provided is an aqueous ink composition for writing instruments which is excellent in an antibacterial property and an antifungal property without damaging storage stability and writing performances. The aqueous ink composition for writing instruments according to the present invention is characterized in that at least particles comprising principally a polymer represented by the following Formula (I) are contained as an active ingredient and that a content thereof is 0.1 to 30 mass %: wherein R is an alkyl group having 2 to 8 carbon atoms.