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. 21, 2025
Filed:
Feb. 19, 2020
Mitsubishi Pencil Company, Limited, Shinagawa-ku, JP;
Kousuke Ogura, Shinagawa-ku, JP;
Akiko Hirayama, Shinagawa-ku, JP;
Takashi Hamazaki, Shinagawa-ku, JP;
MITSUBISHI PENCIL COMPANY, LIMITED, Shinagawa-ku, JP;
Abstract
An ink composition for an aqueous ballpoint pen may have excellent ink discharging performance even if a pen point is exposed for a long period of time. Such an ink composition may contain at least from 1 to 35 mass % of titanium oxide having an average particle size of greater than 0.1 um and smaller than or equal to 1 μm, and from 1 to 35 mass % of non-tacky urethane particles having an average particle size from 0.1 to 6 μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile